用测井曲线划分的层 elector-bed
飞行包线划分 flight envelope region dividing
对线划分单元 lmesh,all
界线划分 delimitation
上下限线划分法 upper-lower limit line methed
对划线部分提问 The boys are sitting under the tree ; There are thirty students in the classroom ; Their bags are black ; m fine
划分界线 demarcation ; demarcate ; Linie ziehen
加泰隆数又是用不相交的对角线划分几边形成三角形的方式数。
The Catalan numbers also count the number of ways in which ann-gon can be dissected into triangles by nonintersecting diagonals.
在这种昆虫的中间部位标记线划分开了它的雄性和色彩斑斓的雌性部分。
A line down the insect's middle marks the division between its male side and its more colourful female side.
这就是三分法则(井字构图法)，一条简单的法则，将你的图片划分成9个相等大小的区域，把你的摄影主体放在虚构的格子线的某一交叉点。
It's the rule of Thirds, a simple rule to be followed so that your subject is placed within a certain area of an imaginary grid, which splits your picture in 9 equal areas.
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