电压切换的新方法研究
A new method of voltage switching
解析振动光谱的新方法
New method to analyze vibrational spectra
宽带系统校准的新方法
A new calibration method for broadband system
新方法新技术
new method and technology
New technology and methods
中间体衍生化方法方法
intermediate derivatization method
防水、防震、防磁
waterproof
shock-resistant and antimagnetic
防震防飞散
controlling fly rocks and decreasing vibration
放射损害的防护
Protection of radiation harm
南瓜常见病虫害的防治
Prevention and Cure of Familiar Disease and Pests
温室大棚中鼠害的防治
Control of Rodent Harm in Greenhouse
震害防御
Seismic disaster prevention
earthquake disaster prevention
seismic impact
震害防御对策
Earthquake countermeasures