Two methods were designed for measuring pyramidal angle, one is the laser incision for the fixed flatroot, the other is CCD imaging. The work theory and precision were analysed.
In flat repository, such as a file-based repository, a base entry is the root of all the entries within the repository.
在平面存储库中(例如基于文件的存储库)，基本项是存储库中所有项的根。
3
The roots of both please and placebo are the same and the American Heritage Dictionary takes them back to an Indo-European root plak that meant "to be flat."