甘蔗碎叶机的试验研究
Test Research on Sugarcane Broken-leaf Machine
甘薯根腐病的防治试验
Test for controlling Fusarium solani
改革试验区
reforming experimental district
腐蚀试验的相关性
relevance of corrosion tests
符合实际使用状况的试验条件
actual use test conditions
仿生鼻系统的试验研究
Experimental Study on a Bionic Nose System
防爆式电气设备的隔离性能试验
isolating property test of flame-proof electric apparatus
多区域临床试验
multiregional clinical trial