您要查找的是不是：
- Is the water polluted at source or further downstream? 河水是在源头还是在流出之後受到污染的？
- Is your salary taxed at source(= by your employer)? 你领的是税后工资吗?
- Is the water polluted at source? 河水是在源头受到污染的吗?
- stoppage at source 源头征税
- Oil at source might rise 20 % in price. 原油的价格可能涨了20%25。
- There was the usual stoppage at the barrier guardhouse, and the usual lanterns came glancing forth for the usual examination and inquiry. 他们在路障警卫室前停了停，拿风灯的人照例来作了检查和询问。
- Since much of the construction waste delivered to landfills could be reused,contractors are encouraged to segregate and sort their waste at source before disposal. 由于大部分运往堆填区的建筑及拆卸废物都可以循环再用，当局鼓励承建商在工地即时分开处理可循环再用的废物。
- My income is taxed at source,ie Tax is deducted from it before it is paid to me. 我的收入已先行扣除了所得税。
- Usually MDCL's customers do not require to verify MDCL purchased products at source. 顾客一般不会要求对本公司所购物资在供货商货源处进行验证。
- Ensure efficient exhaust ventilation in the working area. Do not use at source ignition. Avoid contact with eyes, skin. 工作区保持通风良好,远离易燃物质,避免触及眼睛、皮肤。
- My income is taxed at source, ie Tax is deducted from it before it is paid to me. 我的收入已先行扣除了所得税.
- Fong Pau Teck received complaint from the construction workers said that, they wanted to work, but due to the lack of cement, caused a stoppage at their work, the boss ordered them to stop working. 房保德日前接到建筑工人的诉苦说，他们想要开工，但因洋灰缺货的问题，导致他们的工作停工，老板叫他们暂时停工。
- Skips shall be allocated to work areas in sufficient numbers to enable waste segregation to be done at source. 定时清除和处理废品。所有人员在交接班时应清理好自己的工作场所。
- The effect of source end lead length inductance on the voltage waveforms and spectrums at source and load end. 传输线输入端与负载端电压之脉波及频谱因输入端线头电感所产生之效应。
- The effect of decoupling capacitor on the voltage and current waveforms and spectrums at source and load end. 传输线输入端与负载端电压及电流之脉波及频谱因负载端去耦合电容所产生之效应。
- Carbon offsetting is a bit like absolving oneself of guilt, when we really need to tackle the problems at source. 叶榄说；县城干净了，这里却脏了，这里实际上成了整个潢川县的公共厕所。
- The voltage and current waveforms and spectrums at source and load end of a transmission line. 传输线输入端与负载端电压及电流之脉波及频谱。
- Duration of stoppage at the station 停留站停留时程
- another stoppage at the car plant 汽车厂的又一次罢工.
- Usually, the problem is how to reduce the sound pressure level, either at source or on the transmission path. 通常噪声问题的解决办法就是在其声源处或是在其传播途中降低其声压水平。
