您要查找的是不是：
- annular guard ring 环形保护圈
- One should always have a Guard Ring arround the differential pair. 在差分对周围作保护环。
- In applications where high impedances and very low currents are involved a guard ring may be used to minimize the effects of low insulation resistance. 保护环用在那些高阻抗或电流非常微弱的电路中，用于减轻因绝缘电阻不够高而产生的（漏电）问题。
- Maintenance to guard ring plate of rotary kiln 回转窑窑口护板的维修
- guard ring isolated monolithic integrated circuit 保护环隔离单片集成电路
- guard ring isolated monolithic IC 护环隔离单片集成电路
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- The dog kept a vigilant guard over the house. 这只狗警惕地守护着这所房屋。
- He urged them to guard against conceit. 他要求他们防止骄傲自满。
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。
- He bribed his way past the guard and escaped. 他买通看守而逃之夭夭了。
- I was off my guard and made no suitable reply. 我没提防，因此没有作出适当的回答。
- The diamond ring dazzled with brilliancy. 这只钻石戒指闪耀夺目。
- The guard of honor headed up the whole parade. 仪仗队走在游行队伍的最前头。
- Please guard against pickpockets on the bus. 在公共汽车上要谨防扒手。
- The soldier volunteered for guard duty. 那个战士自告奋勇去站岗。
- Research on Guard Ring Structure of Schottky Barrier Diode 肖特基二极管保护环结构的研究
- It was reported that there would be an annular eclipse tomorrow. 据报道说，明天有日环食。
- She wears a diamond ring on her left hand. 她左手上戴着一枚钻石戒指。
- Our family reunions are always three ring circus. 我家合家团聚的场面总是热闹非凡。
