Since then, several research groups have also looked at the mineral apatite, which can lock up water in its chemical structure, in lunar rocks.
从那之后，许多研究队伍也对矿物磷灰石进行了研究，这种矿物的化学结构能够锁住月岩中的水分。
2
Lunar gravimetry is one of the most useful approaches to understand interior constitution and structure of the moon, a fundamental consideration for choice of landing sites in future.
月球重力场探测是了解月球内部结构构造最有效的手段之一，也是未来登陆点选择的重要依据。
3
The paper is focused on introducing lunar geological structure, lunar geological morphological features and lunar environment.