The electricconstant force hinge of the utility model has convenient operation and low cost.
本 实用新型的电动恒力铰链操作方便、成本低廉。
2
The phases of samples were analyzed by X-ray diffraction and their thermoelectric properties were tested by electricconstant instrument and laser thermal conductance instrument.
用X射线衍射分析了样品的相组成，用电常数测试仪和激光热导仪测试了样品的热电性能。
3
Previous experiments have shown that applying a constantelectric field created small effects on flames, but Cademartiri's work used an oscillating electric field to greater effect.