The rough of the joint suface is modeled as a series of irregular shaped, triangular asperities.典型节理面的粗糙形貌可以模拟为一系列非规则的 、 齿形凸台形貌.The program will be modeled after a popular BBC series called "The Archers"这个节目将仿照英国广播公司的人气系...
马铃薯仍然是最受欢迎的食物，其次是白面包。Potatoes are still the most popular food, followed by white bread.他拒绝退而求其次。He refused to settle for anything that was second best.首先是价格贵，其次，速度太慢。Firstly, it's expensive, and secondly, it's ...
齿轮指形铣刀样板是加工大模数齿轮的主要辅助工具.The finger milling - cutter templet involute gear is the assistant tool mostly to machining big module gear.本文着重阐述了渐开线齿轮齿根过渡曲线的确定以及使用微机设计齿轮指形铣刀样板的方法.It is rapid and accurate in design and drawing ...
Public general hospital originated in the almshouse infirmaries established as early as colonial times by local governments to care for the poor.公立医院源自殖民地时期政府为了救济穷人而建立的救济院中的医务所。Under pressure from the public, many region...
The ionosphere is that region of space contatining electrically charged species.电离层是指含有带电物质的空间区域.Its upper limit is determined by the conditions in the ionosphere.其上限由电离层的状态而决定.Rockets and artificial satellites can go fa...