也就是能够分开两个距离很近的两颗星的能力，单位是角秒1(seconds of arc)。
It is the ability to separate two closely-spaced stars into two distinct images measured in seconds of arc.
之后，除去多余材料，我用单位，全面和三角档案顺利的边缘。
After removing the excess material, I used flat, round and triangle files to smooth the edges.
如果扭矩和单位长度上扭角沿杆件为常量，则上述的结论也可以用于扭矩。
Similar comments apply to torsion if the torsional moment and twist per unit length are constant throughout a member.
应用推荐