这个观点推翻了之前的理论，即小行星和彗星的碰撞纯粹是一种破坏性的过程，以为月壳是由月球内部上升的岩浆形成的。

The idea overturns previous theories that colliding asteroids2 and comets were a purely3 destructive process with the lunar crust being created by magmas rising from the interior .

新的和独特陨石类型的研究以及月球和火星陨石的研究有利于探索和了解早期太阳星云的连续化学分馏作用及月壳和火星表面的平均化学组成及其横向变化。

The study on new and unique meteorite types are useful for understanding continuous chemical fractionation of early solar nebula and horizonal variation of lunar crust and Martian surface .

他们的发现表明，月壳的大部分是在超过2300摄氏度的温度下形成的，他们说，这可能是由于外层的融化造成的。

What they found suggests large portions of the crust were formed at temperatures in excess of 2300 degrees Celsius1 , which they say , could have been achieved by the melting of the outer layer .

利用重力场和地形数据反演月壳厚度

Invertion of crustal thickness of moon from gravity field and topography data

构成月球主要地貌单元的撞击坑到底能够给我们提供月壳多大深处的物质信息？

Constitute main geomorphic units of impact craters on the moon could provide us how deep in the crust material information ?

附着后的稚海胆经过3个多月培育，壳径达到3～5mm剥离到网箱中进行中间培育。

Months after settlement , the shell diameters of the juvenile urchins reached 3 ~ 5mm and they were transferred into cages for middle culture .

想知道，连续四个月供应牡蛎壳是什么样的景象吗？

Ever wonder what a four-month supply of oyster shells looks like ?

小鸮鹦鹉在2014年2月28日破壳而出！

The little Kakapo broke through the shell on February 28th , 2014 .

新子座9月开始产生子囊壳，10月上、中旬大量产生子囊壳，10月上旬成熟的子囊孢子开始释放；

New stroma-ta begin to produce perithecia in Sept.

前12个月的自然层积其内果皮变化小，当层积到第15个月时，种壳腐烂，种子才能顺利萌发。

Little change took place in the shell during the former 12-month natural stratification . After 15 months , the seeds with rotten shell began to germinate .