基本解释[化學]角逕距英汉例句雙語例句From knowing the diameter of the Earth's orbit and the apparent angular movement of the star, we can calculate the distance to it.在知道了地球軌道的直逕和恒星變化的角度，我們就能計算出它的距離。angular diameter distance更多例句专业释义化學角逕距