Others show extreme close-ups of activity on the Sun’s surface.
其它一些图片则给太阳表面的极端活动做了特写。
High surface activity and good emulsifying action of such surfactants are found.
这类表面活性剂具有较低的表面张力和相当好的乳化性能。
High surface activity and good emulsifying action of such surfactants are found.
这类表面活性剂具有较低的表面张力和相当好的乳化性能。
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