In addition , wuwei oasis is an important commodity - grain base of northwest area in china , and the most active region of landscape changing 同时也是我国西北地区重要的商品粮基地,景观变化最活跃的地区。
When the number of the active region is added , the thermal properties of the novel laser become bad . it must be improved . 3 新型多有源区结构的激光器随有源区数目的增加,散热性能变差,其热特性有待进一步提高和改善。
In ld aspect , reduction or increase of the active region thickness can reduce the aspect ratio of the ld beam and consequently improve the beam ’ s symmetry 在ld方面,减小或增加有源区的厚度,都可以减小激射光束的纵横比,改善ld光束的对称性。
It is a geologically active region that includes glaciers , volcanoes and earthquakes , all of which have produced a spectacular but harsh landscape 它是一个地质活跃的地区,它境内涵盖了冰河、火山及地震,这所有的一切造就出了一个壮观但恶劣的陆地景色。
During the song , yuan , ming and qing dynasties , with the development and transmission of quanzhen daoism in the south of the yangzi river , jiangxi gradually became an active region of quanzhen daoism 摘要宋元明清时期,随着全真道在江南的传播与发展,江西渐成为全真道活跃的地区。