And the angle on the outcropping .

和露出地面的岩层的角度。

He stood on a small outcropping promontory overlooking the ruins .

他站在一个小露俯瞰遗址岬。

Must we really clamber up every alluvial fan , map every desert canyon , and slap a name on every dry lake and rocky outcropping ?

难道我们必须要爬遍每座山，走遍每个峡谷，为每一个干涸的湖泊和裸露的岩层定个名字吗？

If my book gets the attention itdeserves , everything I 'm saying here is a logical outcropping of the science ipresent in it .

如果我的书得到它应有的重视，我在此说的每件事情，都会显示出是有科学逻辑的。

Recently , however , a newly detailed analysis of an unusual outcropping of rock and soil chanced upon in 2005 by the robotic spirit rover has uncovered a clue indicating that not all of mars was always so acidic .

然而，最近的一个对于勇气号火星车在2005年偶然碰到的一块不寻常的裸露岩石和土壤的详细分析，揭示出了一条线索表明火星并非一直程较大的酸性。