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2.After observation analysis, Apis mellifera Linnaeus and Bombus ussurensis Radoszkowski were determined to be the most effective and stable pollinators, with an extremely high pollination frequency and obvious date rhythm.
经观察，在整个花期拜访的访花昆虫中，意大利蜜蜂和乌苏熊蜂是最有效而稳定的访花者，而且拜访频率非常高。收藏指正
3.Compared with electronics technology, optical technology has its own advantage: extremely broad instant radiation bandwidth, working at RF high-frequency (18-26.5GHz), compact structure, being light, no interference by electromagnetic wave, being convenient for remote control as well as reconstruction and high wave packet scanning velocity, etc. .
与电子技术相比，光子技术具有其独特优势，如超宽的瞬时带宽、容易工作于RF高频段(18-26.5GHz)、结构紧凑、重量轻、不受电磁波干扰、便于远程控制、便于可重置和快捷的波束扫描速度，等等。收藏指正
4.The electromagnetic fields including X-ray, y-ray, high frequency electromagnetic field (HFEMF) , nuclear electromagnetic pulse (NEMP), extremely low frequency electromagnetic fields (ELF-EMF). With the development of electrical technology, the possible health hazard of exposure to electromagnetic fields has become an issue of considerable public concern.
电磁波的波谱范围较为广泛，从具有电离作用的X射线、γ射线，到用于通信的射频电磁波等高频电磁场(High frequency electromagnetic field,HFEMF)，核电磁脉冲(Nuclear electromagnetic pulse,NEMP)，再到我们日常使用的50-60赫兹(Hz)的电力线发出的极低频电磁场(Extremely low frequency electromagnetic fields,ELF-EMF)都属于电磁波的范畴。收藏指正
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