The charge of an electron is approximately 1.6×10^-19 coulomb.

一个电子的电荷大约是1.6×10^-19库仑。

One esu of charge is equivalent to approximately 3.33564 × 10^-10 coulombs.

一个esu（electromagnetic unit system，电磁单位制）的电荷大约等于3.33564 × 10^-10库仑。

Notice on publishing the national standard of ×××.

关于发布国家标准×××的通知.

Announcement of publishing the partial revision of national standard ×××.

关于发布国家标准×××局部修订的公告.

The royalty rate shall be × % of the net sales value of the products turned out.

提成率为产品出厂净售额的××%.

Its accuracy was about 4×10 - 4 . The chromaticity of HLS was measured using this system.

该系统的测量精度约为1×104.

The experimental results were satisfactory, the beat frequency stability was 1.27×10 - 7 ( Allen variance ).

实验频率锁定结果良好, 频率稳定度为127×10-7 ( 阿仑方差 ).

Then histopathological change of tumor were observed by hematoxylin - eosin stain and Olympus light microscope ( ×200 ).

苏木精 - 伊红染色,Olympus光学显微镜 ( ×200 ) 下观察肿瘤组织病理学变化.