annular surface 中文意思是什麼
annular surface
解釋
環形曲面-
Its materials are and tian sapphire, because the annual long surface is oozed red : the model is a round arch, namely half shape called in ancient times, both ends of the semi - annular jade pendant each chisel a kui out of shape to extend to the middle
它用料是和闐青玉,因年久表面有紅沁:造型為圓拱形,即古代謂之半壁形,璜的兩頭各琢有一變形夔向中間延伸。 -
Lithologic reservoirs may form radioactive radon anomalies at surface, which generally assume the annular anomaly pattern
摘要巖性油藏在地表可產生放射性氡異常,呈環狀模式。
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