Considering the magnetic measurement and seafloor operation, the sealed pressure case should be nonmagnetic and transportable. 為抵御海水的侵蝕和抗衡海下的環(huán)境壓力，需要研發(fā)裝載磁場(chǎng)傳感器的密封艙。
Porritt, who has two children, intends to persuade environmental pressure groups to make population a focus of campaigning. 普羅特他自己有兩個(gè)孩子，他打算說(shuō)服環(huán)境壓力團體把人口問(wèn)題作為競選的一個(gè)主要問(wèn)題。
