While all modern op amps have push-pull OUTPUT stages of some sort, many are still asymmetrical, and have a greater slew rate in one direction than the other.
现代运算放大器有某种方式的推挽式的输出级，许多也是不对称的，并且某一方向的压摆率有比其它方向的有更大的倾向。
A study has been done over the small crack growth rate for kinds of carbon steels under push pull and rotating bending.
对多种碳素钢在拉伸压缩和旋转弯曲负载下的微小裂纹扩展速率进行了研究。
A study has been done over the small crack growth rate for kinds of carbon steels under push pull and rotating bending.
对多种碳素钢在拉伸压缩和旋转弯曲负载下的微小裂纹扩展速率进行了研究。
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