The force of gravity makes things fall to earth.

地心引力使物体向地面。

It is gravitation that causes the apple to fall.

是地心吸引力使苹。

The geotropism growth was a response of hypha to gravity and the geotropic sensitive was at the hyphal apex.

丛枝菌根真菌菌丝延伸生长部位是菌丝尖端，其生长的向地性是地心引力的应，应的敏部位也在生长菌丝的尖端。

This dissertation presents the theory and method on the establishment of height datums.And some problems on the geocenter motion are also studied.

本文系统地研究了建立基准的理论与方法、地心运动规律及其基准的影响等有关问题。

Height is a measurement at right angles to this surface, and though gravity pulls mainly toward the centre of the earth, the geocentre, there are local variations.

是一个垂直于这个表面的测度，而虽然重力总是将物体向地心方向拉，但局部总会有一些变化。

The force of gravity makes things fall to earth.

地心引力使物体向地面。

It is gravitation that causes the apple to fall.

是地心吸引力使苹果。

The geotropism growth was a response of hypha to gravity and the geotropic sensitive was at the hyphal apex.

枝菌根真菌菌丝延伸生长部位是菌丝尖端，生长的向地性是地心引力的应，应的敏部位也在生长菌丝的尖端。

This dissertation presents the theory and method on the establishment of height datums.And some problems on the geocenter motion are also studied.

本文系统地研究了建立程基准的理论与方法、地心运动规律及程基准的影响等有关问题。

Height is a measurement at right angles to this surface, and though gravity pulls mainly toward the centre of the earth, the geocentre, there are local variations.

程是一个垂直于这个表面的测度，而虽然重力总是将物体向地心方向拉，但局部总会有一些变化。

The force of gravity makes things fall to earth.

地心引力使物体落向地面。

It is gravitation that causes the apple to fall.

是地心吸引力使苹果下落。

The geotropism growth was a response of hypha to gravity and the geotropic sensitive was at the hyphal apex.

丛枝根真丝延伸部位是丝尖端，其向地性是对地心引力，敏部位也在丝尖端。

This dissertation presents the theory and method on the establishment of height datums.And some problems on the geocenter motion are also studied.

本文系统地研究了建立高程基准理论与方法、地心运动规律及其对高程基准影响等有关问题。

Height is a measurement at right angles to this surface, and though gravity pulls mainly toward the centre of the earth, the geocentre, there are local variations.

高程是一个垂直于这个表面测度，而虽然重力总是将物体向地心方向拉，但局部总会有一些变化。

The force of gravity makes things fall to earth.

地心引使物体落向地面。

It is gravitation that causes the apple to fall.

是地心吸引使苹果下落。

The geotropism growth was a response of hypha to gravity and the geotropic sensitive was at the hyphal apex.

丛枝菌根真菌菌丝延伸生长部位是菌丝尖端，其生长的向地性是对地心引的应，应的敏部位也在生长菌丝的尖端。

This dissertation presents the theory and method on the establishment of height datums.And some problems on the geocenter motion are also studied.

本文系统地研究了建立高程基准的理论与方法、地心运动规律及其对高程基准的影响等有关问题。

Height is a measurement at right angles to this surface, and though gravity pulls mainly toward the centre of the earth, the geocentre, there are local variations.

高程是一个垂直于这个表面的测度，而虽然是将物体向地心方向拉，但局部会有一些变化。

The force of gravity makes things fall to earth.

地心引力使物体向地面。

It is gravitation that causes the apple to fall.

是地心吸引力使苹果。

The geotropism growth was a response of hypha to gravity and the geotropic sensitive was at the hyphal apex.

枝菌根真菌菌丝延伸生长部位是菌丝尖端，生长的向地性是地心引力的应，应的敏部位也在生长菌丝的尖端。

This dissertation presents the theory and method on the establishment of height datums.And some problems on the geocenter motion are also studied.

本文系统地研究了建立程基准的理论与方法、地心运动规律及程基准的影响等有关问题。

Height is a measurement at right angles to this surface, and though gravity pulls mainly toward the centre of the earth, the geocentre, there are local variations.

程是一个垂直于这个表面的测度，而虽然重力总是将物体向地心方向拉，但局部总会有一些变化。

The force of gravity makes things fall to earth.

引力使物体落向面。

It is gravitation that causes the apple to fall.

是吸引力使苹果下落。

The geotropism growth was a response of hypha to gravity and the geotropic sensitive was at the hyphal apex.

丛枝根真伸生长部位是尖端，其生长的向性是对引力的应，应的敏部位也在生长的尖端。

This dissertation presents the theory and method on the establishment of height datums.And some problems on the geocenter motion are also studied.

本文系统研究了建立高程基准的理论与方法、运动规律及其对高程基准的影响等有关问题。

Height is a measurement at right angles to this surface, and though gravity pulls mainly toward the centre of the earth, the geocentre, there are local variations.

高程是一个垂直于这个表面的测度，而虽然重力总是将物体向方向拉，但局部总会有一些变化。

The force of gravity makes things fall to earth.

地心引力使物体落向地面。

It is gravitation that causes the apple to fall.

是地心吸引力使苹果下落。

The geotropism growth was a response of hypha to gravity and the geotropic sensitive was at the hyphal apex.

丛枝菌根真菌菌丝延伸生长部位是菌丝尖端，其生长的向地性是对地心引力的应，应的敏部位也在生长菌丝的尖端。

This dissertation presents the theory and method on the establishment of height datums.And some problems on the geocenter motion are also studied.

本文系统地研究了建立高程基准的理论与方法、地心运动规律及其对高程基准的影响等有关问题。

Height is a measurement at right angles to this surface, and though gravity pulls mainly toward the centre of the earth, the geocentre, there are local variations.

高程是一个垂直于这个表面的测度，重力总是将物体向地心方向拉，但局部总会有一些变化。

The force of gravity makes things fall to earth.

地心引力使物体落向地面。

It is gravitation that causes the apple to fall.

是地心吸引力使苹果下落。

The geotropism growth was a response of hypha to gravity and the geotropic sensitive was at the hyphal apex.

丛枝菌根真菌菌丝延伸生长是菌丝尖端，其生长向地性是对地心引力，在生长菌丝尖端。

This dissertation presents the theory and method on the establishment of height datums.And some problems on the geocenter motion are also studied.

本文系统地研究了建立高程基准理论与方法、地心运动规律及其对高程基准影响等有关问题。

Height is a measurement at right angles to this surface, and though gravity pulls mainly toward the centre of the earth, the geocentre, there are local variations.

高程是一个垂直于这个表面测度，而虽然重力总是将物体向地心方向拉，但局总会有一些变化。

The force of gravity makes things fall to earth.

地使物体落向地面。

It is gravitation that causes the apple to fall.

是地吸使苹果下落。

The geotropism growth was a response of hypha to gravity and the geotropic sensitive was at the hyphal apex.

丛枝菌根真菌菌丝延伸生长部位是菌丝尖端，其生长的向地性是对地的应，应的敏部位也在生长菌丝的尖端。

This dissertation presents the theory and method on the establishment of height datums.And some problems on the geocenter motion are also studied.

本文系统地研究了建立高程基准的理论与方法、地运动规律及其对高程基准的影响等有关问题。

Height is a measurement at right angles to this surface, and though gravity pulls mainly toward the centre of the earth, the geocentre, there are local variations.

高程是一个这个表面的测度，而虽然重总是将物体向地方向拉，但局部总会有一些变化。

The force of gravity makes things fall to earth.

地心引力使物体落向地面。

It is gravitation that causes the apple to fall.

是地心吸引力使苹果下落。

The geotropism growth was a response of hypha to gravity and the geotropic sensitive was at the hyphal apex.

根真丝延伸生长部位是丝尖端，生长的向地性是对地心引力的应，应的敏部位也在生长丝的尖端。

This dissertation presents the theory and method on the establishment of height datums.And some problems on the geocenter motion are also studied.

本文系统地研究了建立高程基准的理论与方法、地心运动规对高程基准的影响等有关问题。

Height is a measurement at right angles to this surface, and though gravity pulls mainly toward the centre of the earth, the geocentre, there are local variations.

高程是一个垂直于这个表面的测度，而虽然重力总是将物体向地心方向拉，但局部总会有一些变化。