交易金额为一个交易单位或其倍数。
为了计算出射光瞳，可将孔径(单位mm)除以目镜的放大倍数。
To calculate exit pupil, divide the aperture (in mm) by the power of the eyepiece being used.
单位的倍数的名称是由表3列出的前缀构成的。
The names of the multiples of the units are formed by the prefixes given in Table 3.
经由在单位称号前面加一字首构成国际轨制单位的倍数。
A multiple of a unit in the International System is formed by adding a prefix to the name of that unit.
基础标准。国际单位体系。说明和使用规则。倍数和约数的选择。
Fundamental standards. the international systems of units. description and rules for use. choice of multiples and sub - multiples.
基础标准。国际单位体系。说明和使用规则。倍数和约数的选择。
Fundamental standards. the international systems of units. description and rules for use. choice of multiples and sub - multiples.
应用推荐