1.
The frequency of acid rain in Beijing has reached 80%, and August has seen the most serious acid rain pollution in Beijing so far this year.
北京的酸雨频率达到80%，8月北京曾出现过今年以来最严重的酸雨污染。
2.
intensity-duration-frequency analysis
强度─降雨期─频率分析
3.
amino acid frequency
氨基酸（使用）频率
4.
Study on Frequency Conversion Problem in Storm Sampling;
对暴雨选样间的频率转换问题的论证
5.
Comparison of Different Rainfall Frequency Analysis Methods for Ungauged Basins
无资料小流域不同暴雨频率计算方法的比较
6.
Frequency Conversion Based on Periodically Poled Lithium Niobate Waveguide;
周期极化铌酸锂波导的频率变换研究
7.
Effects of Simulated Acid Rain on Photosynthesis Rate of Sexual-Reproductive Vetiveria zizanioides
模拟酸雨对有性繁殖香根草光合速率的影响
8.
image frequency
像频;镜频;镜频;镜像频率;镜像频率;帧频
9.
In addition, temperature drops, cloudy days, and rains and so on all caused the reduction of frequency of pollination.
此外，气温下降、阴天降雨等都能使访花昆虫的访花频率降低。
10.
Studies on Frequency Conversion Problem of Short Duration Storm in the Main Cities of the Province of Fujian;
福建省主要城市短历时暴雨选样间的频率转换问题的研究
11.
The Study of Power Control Compensation Method for the Rain Attenuation in the Ku Band Satellite Communication Systems;
Ku频段卫星通信系统雨衰的功率控制补偿方法研究
12.
The range of peptide size is smaller than20 residues.
初步之分析结果显示脯胺酸、胺酸以及天门科醯胺出现之频率最高。
13.
Effects of La and Acid Rain on Chlorophyll Content and Photosynthetic Rate of Soybean Seedling
镧与酸雨对大豆幼苗叶绿素含量和光合速率的复合影响
14.
Effects of UV-B irradiation and acid rain on photosynthetic rate and antioxidant enzyme activities of maize seedlings
酸雨和UV-B对玉米幼苗光合速率和抗氧化酶活性的影响
15.
center frequency
中心频率未调制频率
16.
frequency theory of hearing
听觉频率论 听觉频率论
17.
Effects of simulated acid rain on the inactivity rate, adsorption rate, lysing cycle and burst size of cyanophage PP infecting the wild filamentous cyanobacteria
模拟酸雨对噬藻体PP失活率、野生藻的吸附率、裂解周期及释放量的影响
18.
Wander frequency correlation function of laser beam in the urbulent atmosphere and fluctuation of the angle arrival of laser beam in raining atmosphere
湍流大气中激光束抖动频率相关函数和降雨大气中激光束到达角起伏