The wordwrap() function wraps a string into new lines when it reaches a specific length.

串按个数换行。

The uniformity of chloroplast grana lamellae,, the numbers and cristae of mitochondria, and the concentration of nucleus karyolymph were different among different mature grade leaves.

不同成熟度叶片超微结构变化明显，主要表现在叶绿体片层结构整齐程度、线粒体个数和嵴数以及细核核液浓度上。

We will be concerned primarily with bijective proofs, i.e., showing that two sets have the same number of elements by exhibiting a bijection (one-to-one correspondence) between them.

我们主要关心是对射证明，也就是透过在两个集合间建立一个对射（一对一且映成函数）来证明它们个数相等。

The wordwrap() function wraps a string into new lines when it reaches a specific length.

将字符串按字符个数换行。

The uniformity of chloroplast grana lamellae,, the numbers and cristae of mitochondria, and the concentration of nucleus karyolymph were different among different mature grade leaves.

不同成熟度叶片超微结变化明显，主要表现在叶绿体片层结程度、线粒体个数和嵴数以及细核核液浓度上。

We will be concerned primarily with bijective proofs, i.e., showing that two sets have the same number of elements by exhibiting a bijection (one-to-one correspondence) between them.

我们主要关心的的证明，也就透过在两个集合间建立一个（一一且映成的函数）来证明它们的元素个数相等。

The wordwrap() function wraps a string into new lines when it reaches a specific length.

将字符串按字符个数换行。

The uniformity of chloroplast grana lamellae,, the numbers and cristae of mitochondria, and the concentration of nucleus karyolymph were different among different mature grade leaves.

不同成熟度叶超微构变化显，主要表现在叶绿体构整齐程度、线粒体个数和嵴数以及细核核液浓度上。

We will be concerned primarily with bijective proofs, i.e., showing that two sets have the same number of elements by exhibiting a bijection (one-to-one correspondence) between them.

我们主要关心是对射，也就是透过在两个集合间建立一个对射（一对一且映成函数）来它们元素个数相等。

The wordwrap() function wraps a string into new lines when it reaches a specific length.

将字符串按字符换行。

The uniformity of chloroplast grana lamellae,, the numbers and cristae of mitochondria, and the concentration of nucleus karyolymph were different among different mature grade leaves.

不同成熟度叶片超微结构变化明显，要表现在叶绿片层结构整齐程度、线粒和嵴以及细核核液浓度上。

We will be concerned primarily with bijective proofs, i.e., showing that two sets have the same number of elements by exhibiting a bijection (one-to-one correspondence) between them.

要关心的是对射的证明，也就是透过在两集合间建立一对射（一对一且映成的函）来证明它的元素相等。

The wordwrap() function wraps a string into new lines when it reaches a specific length.

将字符串按字符个数换行。

The uniformity of chloroplast grana lamellae,, the numbers and cristae of mitochondria, and the concentration of nucleus karyolymph were different among different mature grade leaves.

不同成熟度叶超微构变化显，主要表现在叶绿体构整齐程度、线粒体个数和嵴数以及细核核液浓度上。

We will be concerned primarily with bijective proofs, i.e., showing that two sets have the same number of elements by exhibiting a bijection (one-to-one correspondence) between them.

我们主要关心是对射，也就是透过在两个集合间建立一个对射（一对一且映成函数）来它们元素个数相等。

The wordwrap() function wraps a string into new lines when it reaches a specific length.

将字符串按字符个数换行。

The uniformity of chloroplast grana lamellae,, the numbers and cristae of mitochondria, and the concentration of nucleus karyolymph were different among different mature grade leaves.

不同成熟叶片超微结构变化明显，主表现在叶绿体片层结构整齐程、体个数和嵴数以及细核核液浓上。

We will be concerned primarily with bijective proofs, i.e., showing that two sets have the same number of elements by exhibiting a bijection (one-to-one correspondence) between them.

我们主的是对射的证明，也就是透过在两个集合间建立一个对射（一对一且映成的函数）来证明它们的元素个数相等。

The wordwrap() function wraps a string into new lines when it reaches a specific length.

将字符串按字符换行。

The uniformity of chloroplast grana lamellae,, the numbers and cristae of mitochondria, and the concentration of nucleus karyolymph were different among different mature grade leaves.

不同成熟度叶片超微结构变化明显，主要表现在叶绿体片层结构整齐程度、线粒体嵴以及细核核液浓度。

We will be concerned primarily with bijective proofs, i.e., showing that two sets have the same number of elements by exhibiting a bijection (one-to-one correspondence) between them.

主要关心的是对射的证明，也就是透过在两集合间建立一对射（一对一且映成的函）来证明它的元素相等。

The wordwrap() function wraps a string into new lines when it reaches a specific length.

串按个数换行。

The uniformity of chloroplast grana lamellae,, the numbers and cristae of mitochondria, and the concentration of nucleus karyolymph were different among different mature grade leaves.

不同成熟度叶片超微结构变化明显，主要表现在叶绿体片层结构整齐程度、线粒体个数和嵴数以及细核核液浓度上。

We will be concerned primarily with bijective proofs, i.e., showing that two sets have the same number of elements by exhibiting a bijection (one-to-one correspondence) between them.

我们主要关心是对射证明，也就是透过在两个集合间建立一个对射（一对一且映成函数）来证明它们个数相等。

The wordwrap() function wraps a string into new lines when it reaches a specific length.

将字符串按字符换行。

The uniformity of chloroplast grana lamellae,, the numbers and cristae of mitochondria, and the concentration of nucleus karyolymph were different among different mature grade leaves.

不同成熟度叶片超微结构变化明显，主要表现在叶绿体片层结构整齐程度、线粒体和嵴以及细核核液浓度上。

We will be concerned primarily with bijective proofs, i.e., showing that two sets have the same number of elements by exhibiting a bijection (one-to-one correspondence) between them.

我们主要关心的是对射的证明，也就是透过在两集合间建立一对射（一对一且映成的函）来证明它们的元素等。

The wordwrap() function wraps a string into new lines when it reaches a specific length.

将字符串按字符个换行。

The uniformity of chloroplast grana lamellae,, the numbers and cristae of mitochondria, and the concentration of nucleus karyolymph were different among different mature grade leaves.

不同成熟度叶片超微结构变化明显，主要表现在叶绿体片层结构整齐程度、线粒体个和嵴细度上。

We will be concerned primarily with bijective proofs, i.e., showing that two sets have the same number of elements by exhibiting a bijection (one-to-one correspondence) between them.

我们主要关心的是对射的证明，也就是透过在两个集合间建立一个对射（一对一且映成的函）来证明它们的元素个相等。