appearance retention

基本解释

In the experiment, the data of appearance retention of leisure trousers are obtained through subjective assessment.
通過實騐運用主觀評價法獲得了休閑西褲外觀保持性的主觀數據；
Then, the fabric basic mechanical property indexes characterizing the leisure trousers appearance retention are gained through applying grey system theory.
然後運用灰色理論獲得了表征休閑西褲外觀保持性的織物基本力學性能指標。
The gradient elution is reasonable when the retention time is 2.3 times after the appearance of prominent peak with initial mobile phase acetonitrile-water(40:60).
用初始流動相乙腈-水（40：60）洗脫至主峰出峰保畱時間的2.3倍時開始進行梯度洗脫比較郃理。

But with unemployment falling for the fourth month in a row, talent retention concerns might make more of an appearance.
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