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- opening and closing of cracks 裂缝张开和闭合
- The sounds of doors opening and closing. 门一开一关的声音。
- The lighting and extinguishing of the Olympic Flame symbolized the opening and closing of the Olympics. 还以圣火的燃烧与熄灭象征奥运会的开幕与闭幕。
- Frequency of opening and closing. 频繁的开启和关闭。
- The boards are often placed in a mainframe that electronically controls the opening and closing of the relays. 电路板往往被置于从电气上控制继电器开路和闭合的设备上。
- There will be a handing-over and taking-over ceremony in each opening and closing of the Olympic Games. 每后奥运会的闭幕式上都有会旗的交接仪式。
- A central controlling and observation system is installed for opening and closing of the 182 umbrellas. 中心控制系统已安装于182把伞的打开及合拢观测。
- Jeff: There will be a handing-over and taking-over ceremony in each opening and closing of the Olympic Games. 杰夫:每后奥运会的闭幕式上都有会旗的交接仪式。
- Two guard cells together encircle each stoma and control the opening and closing of the stomatal aperture. 每个气孔由两个保卫细胞包围来控制气孔的开闭。
- The lighting and extinguishing of the Olympic Flame symbolizes the opening and closing of the Olympics. 奥运圣火的点燃与熄灭象征着奥运会的开幕与闭幕。
- His overalls fretted his shoulders, the pavement tickled his feet, even the opening and closing of a hand was an effort that made his joints creak. 穿上制服，肩膀感到重压； 走在路上，脚底感到酸痛； 甚至手掌的一张一合也造成关节咯咯的响。
- PNEUMATIC DOOR PUMP OPEN INSIDE Speed control in final process of both opening and closing of the door, to avoid slamming to the bus body. 客车内摆自动门系统门启闭时的终端速度可控制,以避免门对车体产生猛烈碰撞。
- Frowning, opening and closing of eyes and mouth, chewing, yawning, sleep, dizziness, epileptic seizures in healthy persons were induced. 健康人的皱眉、张开和闭上眼睛和嘴、咀嚼、打哈欠、睡眠、眩晕、癫痫发作被诱发。
- Door opening and closing of the spreader is driven by cylinder;operation of each part is controlled by electrical system. 撒布机各料门启闭由气缸驱动，各部分操纵由电器系统控制实现。
- Fu Zhunzhen all have a 220 kilovolt substation. 10 kilovolt direct supply lines 4 and 10, both the opening and closing of a kilovolt. 诸福屯镇有1座220千伏变电站。10千伏直供线路4条，并兼有10千伏开闭所一座。
- Before such issuance, formalities for foreign exchange control such as those for the opening and closing of the abovementioned accounts shall be handled by hand temporarily. 在此之前，上述账户的开立、关闭等外汇管理手续暂时采用手工操作。
- Jamin effect, the open and close of microfracture, starting pressure gradient in reservoir result in high initial water cut. 地层微裂缝的开启与闭合、启动压力梯度的存在导致生产井初始含水率较高；
- Opening and closing quotes on attributes. 属性的左引号和右引号。
- Opening and closing test for cargo hatch cover. 货舱舱口盖启闭试验。
- Small operation torque, easy opening and closing. 操作扭矩较小,启闭容易。
