We conducted an extensive field survey of current geographic distribution of their natural range, and in situ and ex situ conservation status of the remnant populations of the two genera.
本研究通过野外调查，了解了中国秤锤树属与长果安息香属植物的地理分布、濒危现状及其迁地保护状况。
2
The key prerequisite of using ex-core detector readings to reconstruct the in-core power distribution is to calculate the space response function accurately.
准确的堆外探测器三维空间响应函数是实现由堆外探测器读数重构出堆芯功率分布的关键之一。
3
Dalton board is an instrument used to ex-plain statistics disciplinarian of velocity distribution of air molecule movement.