Which of the following plane figures have reflectional symmetry?
下列哪些平面图形具有反射对称性质？
Which of the following plane figures have reflectional symmetry?
下列哪些平面图形具有反射对称性质？
The term actinomorphy is generally used to describe radial symmetry in flowers.
常用“辐射对称”描述辐射状的花。
The human body has a symmetry that is basic to our sense of beauty.
人体的对称性构成我们审美观的
础。
The butterfly is an example of symmetry.
蝴蝶是结构完全对称的一个例子。
A kite is a quadrilateral with one line of symmetry.
风筝是个有一条对称线的四边形。
Mirror symmetry of petroleum occurrences is due to multistage-accumulation and remigration.
油气地球化学特徵性相似性与成藏多期性及油气运移对称性密切相关。
The nuclide chart involves electron, positron, antiproton, antineutron, photon to exhibit the symmetry of mass and charge ideally.
该核素图将电子、正电子、反质子、反中子和光子收录在内，完美地表现了质量和电荷的对称性。
Beds of iris were set out in perfect symmetry around a pool filled with water lilies.
大片大片的蔓蒲花非常对称地长在开满水仙花的池塘四周。
Hadorwould traditionary symmetry encryption and publicity secret key mode band together, have two both the virtue.
将传统的对称性加密与公开密钥方法结合起来，兼备了两
的优点。
Borrower of book - those mutilator of collections,spoiler of the symmetry of shelves,and creator of odd volume.
借书□□是为珍藏本的破坏、书本排列次序的捣乱、
残书的创造。
Towering in close symmetry, these basalt columns near Fingal’s Cave form the base of the Scottish island of Staffa.
极端的地球图片。高耸的密切的对称性，这些玄武岩园柱状物附近Fingal的洞穴形式的础上苏格兰岛的Staffa 。
Towering in close symmetry, these basalt columns near Fingal's Cave form the base of the Scottish island of Staffa.
极端的地球图片画廊。高耸的密切对称性，这些玄武岩圆柱附近的芬戈尔洞形成的底苏格兰岛屿的斯达法岛。
Some properties of adjoint matrix are discussed. The properties are symmetry, antisymmetry, positive definite, positive semi-definite, orthogonal and characteristic value.
摘要讨论了伴随矩阵在对称、反对称、正定、半正定、正交、相似和特徵值等方面的性质。
Is regret the only destiny of a person who are both retrad and passive... there is another kind a information symmetry.
近来，我脑子里偶然会回想一首歌 中的一句歌词 三月有个晴天的早晨。
The helix has been lengthened,the scapha exposed,the normal ear reduced,the constricted ear augmented and two sides ear have become symmetry.
结果15例患的耳廓复合组织片全部成活,耳轮延长,耳舟显露,从而使双耳本对称。
It has been described as work that “relies on geometry and symmetry, fusing curvilinear shapes into pixilated, cleverly impressionistic jigsaw puzzles”.
他的作品被称作「依讬几何和对称，将曲线融入搞怪之中，机智运用印象主义的智力拼图」。
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，其方向与平面图上的流道中线无关。
Binucleated granulocyte appeared in the stage from promyelocyte to neutrophilic band form with mostly symmetry mirror image characteristics in size and shape.
双核粒细胞在早幼至杆状核阶段均见存在,多具有大小形状对称的八字形特点。
The observed deltas are highly two-dimensional in planform, adopting palmated structures which retain throughout their evolution a high degree of mirror symmetry.
实验观察到的三角洲，为一高度二维蹼狀发展且镜面对称的构造。
With the concavity and integrability of sublinear terms near zero,the symmetry results for a class of sublinear elliptic equations are given by making use of the moving-plane method.
本文利用次线性项在点附近的凹性和可积性，用移动平面法给出了一类次线性椭圆方程正解的对称性.
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