By using the thought way of seven-star-chart, assessment method,this paper illustrates the effective factors of the energy, resource and environment when engineering material has been selected.
应用七点星形图评价的思想方法,说明了材料选择时应考虑的能源、资源与环境相关的影响因素,提出了在确定机械制造领域应用工程材料时的选择策略,给出了多影响因素下材料绿色度评价的方法,该方法可以作为绿色工程材料选择的依据或参考。
A polygon having seven sides.
七边形有七条边的多边形
Seven-sided shape that can be customized by dragging any selection handle.
可通过拖动任一选择手柄来自定义的七边形。
Caoqiqiao in Contemporary Literature:One Kind of Mother Image--Read banbianying,hongtanban,xiaojiemen;
当下文学中的曹七巧:母亲形象的一种——读《半边营》、《红檀板》、《小姐们》
Local Lagrange Interpolation by Bivariate Splines of Degree Seven on Triangulated Quadrangulation
四边形三角化部分下二元七次样条函数空间上局部Lagrange插值
Here are the main idea: Ming dynasty government adopts special frontier policy to set up seven garrisons in the west of Jiayu Pass is just because of its special situation of northwest frontier.
认为:正是明代特殊的西北边疆形势,才使明政府采取了特殊的边疆政策——设置关西七卫。
By the wall stood seven little beds side by side.
墙边并排放着七张小床。
A polygon having six sides.
六边形有六个边的多边形
A polygon having five sides and five interior angles.
五边形有五条边和五个内角的多边形
A polygon with ten angles and ten sides.
十边形有十个角和十条边的多边形
THE SITUATION IN THE SUMMER OF 1957
一九五七年夏季的形势
Suppose the width of a rectangle is seven meters.
设长方形的宽是七米。
an eleven-sided polygon.
有十一条边的多边形。
a three-sided regular polygon.
有三条边的等边多角形。
A quadrilateral having no parallel sides.
没有平行边的四边形
""strolling strings" approach"
“边行边奏”演出形式
a twelve-sided polygon.
有十二条边的多边形。
A polygon with eight sides and eight angles.
八边形,八角形有八条边和八个角的多边形
Containing a hexagon or shaped like one.
六边形的含有一个六边形或六边形状的
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