标准的8毫米的胶片每秒放映16组镜头。Standard 8mm projects at 16 frames per second.这家公司听凭环境标准的不断下降。The company had let environmental standards slide.学生脑子里被灌输了各种标准的范例。Standard examples were drummed into students' heads....
What frustrates him is that there's too little money to spend on the project.使他懊恼的是，可用于这个项目的资金太少。His trouble is that he frustrates much easily.他的毛病是很容易泄气.The trouble is that he frustrates much easily.他的毛病是他很容易泄气....
Under the same chromatographic condition, gas chromatography quantitative analysis of the butachlor and simetryne were discribed.首次报道了丁草胺和西草净在同一色谱条件下的气相色谱定量分析.Sensitivity of the week seedling to butachlor is higher than ...