地珠，同翅目(Homoptera)硕蚧科(Margarodidae)介壳虫。长2～4公釐，球形，色各异（古铜色、红色、金色、奶油色或银色），有虹彩光泽。
珀尔穿戴整齐地准备去面试，为此她还特意地戴了一串玻璃珠项链，希望能给她带来好运。但她却很懊恼地发现：穿项链的细绳断了，珠子在公司大楼的台阶上散得到处都是。
Dressed for an interview, Pearl was dismayed to find that the worn string threading the glass beads she had put on for good luck had broken, 1 scattering beads right on the steps of the building.
结合工业机器人或自动喷嘴驱动程序，它可以在不产生脉动的情况下使密封剂胶珠连续均匀地流成一条线。
In combination with an industrial robot or automatic nozzle driver, it allows linear application of a consistent bead of sealant without pulsing.
本文结合珠钢CSP液压实验台改进的实例，系统地论述了采用CAT技术对一般液压实验台进行改进的方式方法。
Combining with the experiment of CAT improvement on hydraulics testing stand on CSP in Zhu Steel, the basic way for CAT improvement on hydraulics testing stand was discussed.
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