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- Two wires for the supply voltage and one for the receiver's R/C sum signal. 通常没有被引出，所以我们要打开接收机找到其中的那个焊点，将它引出。
- This code is used to sum signals (eg. sinewave and noise signals) and produce an output signal. (译)：此代码是用来总结信号（如正弦波和噪声信号） ，并产生一个输出信号。
- I had to spend a large sum of money to get it back. 我得花一大笔钱才把它弄回来。
- They clubbed together a large sum. 他们集资到一大笔款子。
- Please sum up what you said just now. 请把你刚才说的总结一下。
- The clerks figures up the sum on a computer. 办事员用计算机算出总教。
- Ten years was the sum total of my education. 我受教育的年限加起来共十年。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- The company set this sum by for future use. 公司把这笔款留作将来之用。
- His brother made out the sum to settle the account. 他兄弟拼凑了这笔款子来了结账目。
- They paid me the princely sum of USD5000. 他们慷慨地给我5000美元。
- His debts foot up to a huge sum. 他欠的债加起来是一笔巨款。
- Now sum up (your views) in a few words. 现在(把你的观点)用几句话来概括一下。
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
- He got paid a piffling sum after weeks of work. 他工作数周所得甚微。
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- A red lamp is often a danger signal. 红灯常常是危险的信号。
- He deposits a sum of money in the bank each month. 他每月在银行存一笔钱。
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- In sum, theory must be combined with practice. 总之，理论必须同实践相结合。
