The shape of cross-section is an ellipse folded in half through one symmetry axis, and the axis keeps perpendicular with pinacoid-view.

断面形状为沿对称轴对折椭圆，此对称轴始终垂直于轴截面，其方向与平面图上流道中。

In this paper, we study the minimum-weight feedback vertex set problem in outerplanar graphs and present a linear time algorithm to solve it.

本文主要考虑外平面图中反馈点集并给了一个求外平面图最小顶点赋权反馈点集时间算法。

The drawing method for the double channel impeller is studied.It is found that there is an in-conformity between the dimensions of plane-view and pinacoid-view of fluid cross-section.

摘要研究了双流道污水泵叶轮常用图纸表达方法，发现平面图上断面投影结果与轴面图中确定断面形状尺寸不一致问题。

The shape of cross-section is an ellipse folded in half through one symmetry axis, and the axis keeps perpendicular with pinacoid-view.

断为沿对称轴对折的椭圆，此对称轴始终垂直于轴截，其方向与平图上的流道中线无关。

In this paper, we study the minimum-weight feedback vertex set problem in outerplanar graphs and present a linear time algorithm to solve it.

本文主要考虑外平图中的反馈点集并给了一个求外平图最小顶点赋权反馈点集的线性时间算法。

The drawing method for the double channel impeller is studied.It is found that there is an in-conformity between the dimensions of plane-view and pinacoid-view of fluid cross-section.

摘要研究了双流道污水泵叶轮常用的图纸表达方法，发现平图上的断结果与轴图中确定的断尺寸不一致的问题。

The shape of cross-section is an ellipse folded in half through one symmetry axis, and the axis keeps perpendicular with pinacoid-view.

断形状为沿对称轴对折的椭圆，此对称轴始终垂直于轴截，其方向与平上的流道线无关。

In this paper, we study the minimum-weight feedback vertex set problem in outerplanar graphs and present a linear time algorithm to solve it.

本文主要考虑外平的反馈点集并给了一个求外平顶点赋权反馈点集的线性时间算法。

The drawing method for the double channel impeller is studied.It is found that there is an in-conformity between the dimensions of plane-view and pinacoid-view of fluid cross-section.

摘要研究了双流道污水泵叶轮常用的纸表达方法，发现平上的断投影结果与轴确定的断形状尺寸不一致的问题。

The shape of cross-section is an ellipse folded in half through one symmetry axis, and the axis keeps perpendicular with pinacoid-view.

断形状为沿折的椭圆，此始终垂直于截，其方向与上的流道中线无关。

In this paper, we study the minimum-weight feedback vertex set problem in outerplanar graphs and present a linear time algorithm to solve it.

本文主要考虑外中的反馈点集并给了一个求外最小顶点赋权反馈点集的线性时间算法。

The drawing method for the double channel impeller is studied.It is found that there is an in-conformity between the dimensions of plane-view and pinacoid-view of fluid cross-section.

摘要研究了双流道污水泵叶轮常用的纸表达方法，发现上的断投影结果与中确定的断形状尺寸不一致的问题。

The shape of cross-section is an ellipse folded in half through one symmetry axis, and the axis keeps perpendicular with pinacoid-view.

断面形状为沿对称轴对折椭圆，此对称轴始终垂直于轴截面，其方向与平面图上流道中线无。

In this paper, we study the minimum-weight feedback vertex set problem in outerplanar graphs and present a linear time algorithm to solve it.

主要考虑外平面图中反馈并给了一个求外平面图最小顶赋权反馈线性时间算法。

The drawing method for the double channel impeller is studied.It is found that there is an in-conformity between the dimensions of plane-view and pinacoid-view of fluid cross-section.

摘要研究了双流道污水泵叶轮常用图纸表达方法，发现平面图上断面投影结果与轴面图中确定断面形状尺寸不一致问题。

The shape of cross-section is an ellipse folded in half through one symmetry axis, and the axis keeps perpendicular with pinacoid-view.

断面形状为沿对称轴对折的椭圆，此对称轴始终垂直于轴截面，其方向与面图上的流道中线无关。

In this paper, we study the minimum-weight feedback vertex set problem in outerplanar graphs and present a linear time algorithm to solve it.

本文主要考虑面图中的集并给了一个面图最小顶赋权集的线性时间算法。

The drawing method for the double channel impeller is studied.It is found that there is an in-conformity between the dimensions of plane-view and pinacoid-view of fluid cross-section.

摘要研究了双流道污水泵叶轮常用的图纸表达方法，发现面图上的断面投影结果与轴面图中确定的断面形状尺寸不一致的问题。

The shape of cross-section is an ellipse folded in half through one symmetry axis, and the axis keeps perpendicular with pinacoid-view.

断面形状为轴折椭圆，此轴始终垂直于轴截面，其方向与平面流道中线无关。

In this paper, we study the minimum-weight feedback vertex set problem in outerplanar graphs and present a linear time algorithm to solve it.

本文主要考虑外平面中反馈点集并给了一个求外平面最小顶点赋权反馈点集线性时间算法。

The drawing method for the double channel impeller is studied.It is found that there is an in-conformity between the dimensions of plane-view and pinacoid-view of fluid cross-section.

摘要研究了双流道污水泵叶轮常用纸表达方法，发现平面断面投影结果与轴面中确定断面形状尺寸不一致问题。

The shape of cross-section is an ellipse folded in half through one symmetry axis, and the axis keeps perpendicular with pinacoid-view.

断形状为沿对称轴对折的椭圆，此对称轴始终垂直于轴截，其方向与图上的流道中线无关。

In this paper, we study the minimum-weight feedback vertex set problem in outerplanar graphs and present a linear time algorithm to solve it.

本文主要考虑图中的反馈集并给了一个求图最赋权反馈集的线性时间算法。

The drawing method for the double channel impeller is studied.It is found that there is an in-conformity between the dimensions of plane-view and pinacoid-view of fluid cross-section.

摘要研究了双流道污水泵叶轮常用的图纸表达方法，发现图上的断投影结果与轴图中确定的断形状尺寸不一致的问题。

The shape of cross-section is an ellipse folded in half through one symmetry axis, and the axis keeps perpendicular with pinacoid-view.

断形状为沿对称轴对折的椭圆，此对称轴始终垂直于轴截，其方向与上的流道中线无关。

In this paper, we study the minimum-weight feedback vertex set problem in outerplanar graphs and present a linear time algorithm to solve it.

本文主考虑外中的反馈点集并给了一个求外最小顶点赋权反馈点集的线性时间算法。

The drawing method for the double channel impeller is studied.It is found that there is an in-conformity between the dimensions of plane-view and pinacoid-view of fluid cross-section.

摘了双流道污水泵叶轮常用的纸表达方法，发现上的断投影结果与轴中确定的断形状尺寸不一致的问题。

The shape of cross-section is an ellipse folded in half through one symmetry axis, and the axis keeps perpendicular with pinacoid-view.

断面形状为沿对称轴对折的椭圆，此对称轴始终垂直于轴截面，其方向与面图上的流道中线无关。

In this paper, we study the minimum-weight feedback vertex set problem in outerplanar graphs and present a linear time algorithm to solve it.

本文主要考虑面图中的集并给了一个面图最小顶赋权集的线性时间算法。

The drawing method for the double channel impeller is studied.It is found that there is an in-conformity between the dimensions of plane-view and pinacoid-view of fluid cross-section.

摘要研究了双流道污水泵叶轮常用的图纸表达方法，发现面图上的断面投影结果与轴面图中确定的断面形状尺寸不一致的问题。