In the hexagonal close packed structure, slip systems are more limited.

在六方密排晶格中，滑移系受到较多的限制。

youdao

It has a close-packed hexagonal crystal structure.

它有密排六方晶体结构。

youdao

Packed with detailed descriptions of the colonist's everyday lives, and a close attention to the geography of Mars, it's as close as any of us will get to walking on the red planet.

火星三部曲着重描写火星殖民者的日常生活细节，并且密切关注火星的地理环境，仿佛我们中的每个人都会登上这个红色星球一样。

youdao

Playing a wider game, Ireland attempted to concentrate on working the outside channels with the dangerous, quick, flat ball rather than grunting and boring their way through the packed close-in defenders.

BBC: Ireland coach Eddie O'Sullivan

Then the circuits get packed too close, and you get a case of electrons behaving badly.

FORBES: BET ON THE HARES

On Saturday night, as supporters camped outside his headquarters in Lahore's Model Town area, Mr. Sharif sat on a couch in a room packed with close advisers, a remote control in his hand, as he flicked between TV channels broadcasting the vote count.

WSJ: Pakistan's Next Leader Vows Better U.S. Ties