Resistance of weeds to certain herbicides is beginning toshow up.杂草对某些除草剂的抗药性已显现出来.There is a lot of concern over the amount of herbicides and pesticides used in farming.人们对农业上灭草剂和杀虫剂的用量非常担忧.Among the many regulatory sub...
There is a lot of concern over the amount of herbicides and pesticides used in farming.人们对农业上灭草剂和杀虫剂的用量非常担忧.Resistance of weeds to certain herbicides is beginning toshow up.杂草对某些除草剂的抗药性已显现出来.Arsenic is widely associated ...
There occours needle - type or M - type martensite precipitation within retained austenite.残余奥氏体内有针状或“M”型马氏体析出.These lath martensite first nucleates in parent austenite intergranular and twin boundary.应变诱发马氏体首先在原奥氏体晶界和孪晶...
诊断学(diagnostics)一词源于希腊文,意指鉴别 、 确定.Diagnostics is a word of Greece origin , which means discriminating, specifying.CT与 X 线透视, 超声, 同位素等影象显示方法相结合,建立起影像诊断学.CT and X - ray, ultrasound, isotope and other image display method c...
The river was embanked with a dyke.这条河修筑有堤坝.In Shanghai Volkswagen Automobile Testing Yard, a lot of subgrades 6~14 m are embanked on the softground.上海市大众汽车公司新建试车场,部分专用路基高达6～14m,出于测试汽车性能的需要, 对路基的工后沉降提出了高标准的要求....
This paper describes electrosparking machine controller with 8031 SCP and it's implementation of software and hardware.介绍由8031单片机组成的电火花成型机床控制器及其软、硬件配置....