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翔于天下

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[求助] 几个句子的中翻英

要投工科类英文稿,可惜自己的英语写作水平有限,所以想请各位达人帮忙。希望大家热心帮助啊!
1 通过使用以上载荷构造载荷谱,载荷相位角(phase angle)和幅值的变化都能被考虑到。
2 从整个寿命期看,除第一个载荷不同外,其后都是“ ”的循环。
3 同种载荷的两次试验寿命最多相差50个块谱
4 造成A谱与B谱寿命不同的原因不是高低载荷的顺序存在差别,而是不同相位角载荷的排列顺序不同。
5 一种方法的计算值与1越接近,则认为它的预测越准确
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翔于天下: 金币+20, 翻译EPI+1, ★★★★★最佳答案 2012-08-13 10:23:03
1. Via using the loads above to construct load spectrum, the changes of amplitude and load phase angle can be taken into consideration.
2. Viewing the entire life time, except the first load, the rest are cycle of "".
3. The test lifetime between two trials of same load is 50 block spectrum at most.
4. The reason leading to different lifetime of A spectrum and B spectrum is not difference in order of high and low load, but the order of different phase angle load.
5. The closer the calculation result of one method to 1 is, the more precise the prediction is.
2楼2012-08-13 09:33:23
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