本文给出了集值映射的上半连续性和下半连续性同图象的闭性和开性间的一些关系。
This paper gives some relation of U. S. C. and L. S. C. of set-valued mappings with closed and open property of image.
本公司专业制作CNC手板模型，并辅助以抛光、喷砂、喷漆等表面处理，其效果完全可以同开模具后生产出来的产品媲美。
We specialized in CNC mock up model, and work on surface process like polishing, casting, painting, and the effect is comparable with that of molded product.
第三个定律是开普勒发现的，他是伽利略的同代人。
The third law was discovered by Kepler, who was a contemporary of Galileo.
若看见恨你之人的驴压卧在重驮之下，不可离他不顾，务要和他一同抬开重驮。
If you see the donkey of one who hates you lying down under its burden, you shall refrain from leaving it to him; you shall surely release it with him.
若看见恨你之人的驴压卧在重驮之下，不可离他不顾，务要和他一同抬开重驮。
If you see the donkey of one who hates you lying down under its burden, you shall refrain from leaving it to him; you shall surely release it with him.
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