梦醒，突然明白，与你之间的缘份，只是一个时间距离，更加醒悟的是，原来时间并不等人，而是我忘了在时间里跟你走。

Wake up, suddenly understand, your fate, just a time distance, more it is, the original time will not wait, but I forgot to go with you in time.

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根据SLS加工工艺的特点，研究的工艺参数包括：层厚、扫描间距、激光功率、扫描速度、环境温度、层与层之间的加工时间间隔和扫描方式。

According to the feature of SLS, the parameters of interest are layer thickness, hatch spacing, laser power, scan speed, work surroundings temperature, interval time and scanning mode.

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同时选择合适的播种时间、播种率、行间距为作物创造有利的与杂草竞争的条件。

At the same time, seeding time, seeding rates and row widths are all chosen to give crops a competitive edge over weeds.

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