Temperature coefficient of voltage reg
[电] 电压调整器的温度系数
🧩 词语组成解析
coefficient
[,koɪ'fɪʃnt]
n. 系数;（测定某种质量或变化过程的）率;程度;协同因素;
adj. 共同作用的;合作的;
co共同+ef出+fici做+ent...的 → co共同+efficient做出来=有效的 → 一起有效的 → 系数
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
abbr. [计]注册表文件；寄存器（register ）
🗣️ 情景例句
They are expecting their first child.
他们在怀他们的第一个小孩。
There is safety in numbers.
人多势众。
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.
我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。