I'm reliable ah 后面的ah是什么意思

是“啊”或“呀”的意思

你好，不是SCI，在官网查不到该期刊，属于正版免费的普通英文期刊。源于网络资料，仅供参考 Journal of Pollution Effects & Control deals with the introduction of contaminants into the natural environment that causes adverse changes in the form of toxicity of environment, damage to ecosystem and...

If anyone should come, say I am not at home. (= Should anyone come, say I am not at home. ) 万一有人来访,就说我不在家。 If it should rain tomorrow, I wouldn't go. (= Should it rain tomorrow, I wouldn't go.) 万一明天天下雨,我就不去了。 四. should 作为情态动词,可以表示谦...

1832, Babbage and Joseph Clement made a computing device. It’s Size nearly as big a house. January 1943: In the United States, An advanced computer was developed which weighs 5 tons, 75 million parts. These computers are mainly used in the war began.1987: A supercomputer relea...

I suggest that the P87B be used to provide the out-of-phase signals needed for BTL operation. While it is common to run one amp as inverting, this presents a very low impedance to the preamp, and may cause unacceptable loading and possibly distortion. The P87B will drive each amplifier...