该方法对此类型石英钟机心的设计具有一定参考价值.It analyses it's characteristics and also directs and summarizes such designing of quartz crystal clock movement.本文通过例证来提出三种24小时指示石英钟机心的设计方法,并对其特点加以分析.This article introduces 3 designed metho...
他们是伟大的航海者,因为他们是伟大的经商者.They were great seamen because they were great traders.航海者预言一场强烈的暴风雨将到来.The sailor prophesied a severe storm.雾是航海者最致命的敌人.Fog is the sailor's deadly enemy....
The dog clung like a limpet to the thief.那条狗死死缠住小偷不放.The adhesion mechanism of barnacle , limpet, anemone, tube worm are described in this paper.主要介绍海洋生物中藤壶、帽贝 、 海葵 、 管栖蠕虫对其基材的粘附机理....