A proton is an elementary particle of matter.质子是物质的基本粒子。an elementary English course基础英语课程Their course of study includes elementary hygiene and medical theory.他们的课程包括基础卫生学和医疗知识....
The fractograph exhibited typical ductile dimple fracture pattern.断裂形式呈韧性断裂,断口以韧窝为主.The toughness, fractograph and microstructure of the failed die specimens have been examined and analysed.检测了失效模具材料的微观组织 、 击韧性和断口形貌.The ...
In court filings, they argued that the settlement was inadequate.在法庭讼案中，他们提出和解费数额太少。I also found bits of wood and metal filings on the inside of the cover plate.我发现电锯盖板里还有木屑和金属屑末。In China half the patent filings in 2004 ...