arcsecs造句

• Sub-arcsec radio astronomy
  亚角秒射电天文学
• Micro-arcsec astrometry
  微角秒天体测量
• Parallelization tester is used to test the parallel degree of multi-optic-axes system of the large scale photoelectric theodolite with precision less than 0.5 arcsec
  摘要平行度测试仪是检测大型光电经纬仪多光轴系统平行度的设备，要求平行度测试仪的精度要达到0.5"。
• After experimentally measuring and marking, this instrument's precision reaches 0.5 arcsec, which better satisfies the requirement-normally 2 arcsec the parallel precision of optical system testing
  经检测标定后平行度测试仪的精度可达到0.5"，能够很好的满足检测平行度为创的光学系统的检测。
• After experimentally measuring and marking, this instrument's precision reaches 0.5 arcsec, which better satisfies the requirement-normally 2 arcsec the parallel precision of optical system testing
  经检测标定后平行度测试仪的精度可达到0.5"，能够很好的满足检测平行度为创的光学系统的检测。
• In addtion, the growth rate of low temperature insb buffer layer was 0.26 m / h, which was obtained by rheed intensity oscillation curves . growth temperature of insb epilayers were investigated with sem and dcxrd, and it was found that the optimum temperature was 440 . a 2.1 m insb layer grown at 440 had an x-ray rocking curve of 412 arcsec, the strain relaxtion was about 99.02 %
  通过扫描电镜形貌观察与能谱分析发现:温度较低时sb的表面迁移率低,容易在表面堆积;结合x射线双晶衍射分析,确定高温insb外延生长的最佳衬底温度为440,该温度下生长2.1m的样品x射线半高峰宽为412,应变弛豫99.02%。