利用这次机会收集情况，用你选定的汽车做一次简短的驾驶试验。
Use this opportunity to gather information and take your spec vehicle for a short test drive.
试验结果表明，采用选定的漂白方法，既保证了产品的质量，又可达到降低成本，提高经济效益的目的。
The results showed that the bleach method chosed could not only ensure the quality of products, but also reduce the cost of production and improve economic benefit.
研究了淀粉基黄原酸盐的合成新工艺，通过正交试验选定了最佳工艺条件。
A new technology for synthesis of starch xanthate was studied, the optimum process conditions were selected via orthogonal tests.
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