... an obtuse angle 钝角 meet at right angle s 相交成直角 the angle of a chair 椅子的一角 ...
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... butterfly angles passn.轧制角钢的蝶式孔型 cross at right angles相交成直角 butterfly angles pass轧制角钢用蝶式孔型 ...
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... 使成直角 square 相交成直角 cross at right angles; meet at right angles; meets at right angles 与成直角 right angles with ...
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一条线与另一条线相交成直角。
轴向电子对与三个相邻的电子对相交成直角。
An axial electron pair meets at right angles with 3 neighboring pairs.
在两条基线相交成直角的情况下，如果两条基线长度相等，则测最精度与基线的方位角无关；
When one baseline is kept to be perpendicular to another, if their lengths are equal, the accuracy does not vary with their azimuths;
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