太阳下山日发灰，次日下雨也无疑。
If the sun should set in gray, the next will be a rainy day.
浙江日发集团的数控产品面临着新的挑战，竞争更加激烈、原有的生产模式受到了制约。
The NC products of Zhejiang Rifa Group now are facing new challenge, the competition became heavier and the organization model was restricted.
北斗系统的最后一颗卫星于2020年6月23日晚9时43分发射升空。
The last satellite of BDS was launched at 9:43 p.m., June 23rd, 2020.
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