常見例句雙語例句We made a 2 dimensional model of equal radius balls by sticking 6 balls together to form a cluster which was used as a structural unit for model building.過去二維的非晶模型都是不等逕球做的,等逕球作二維密排一般會(huì)出現(xiàn)長(zhǎng)程序。 返回 building structural unit