印度尼西亚海军的一名指挥官说，搜寻失踪客机的船只在海底找到了一些金属物件。
An Indonesian navy commander says ships searching for a missing passenger plane have found metal objects on the sea floor.
当时人们希望等离子体能够成为一种升级雷达的基础，该雷达体积小而隐蔽，可以替换当今美国海军用在神盾巡洋舰和其他舰艇上的金属相控阵雷达。
It hoped that plasmas could form the basis of a compact and stealthy upgrade to the metallic phased-array radars used today on the U. s. Navy's Aegis cruisers and other vessels.
金属的拉链于1893年发明，到1917年止，拉链仅仅用于鞋、烟袋和美国海军防风甲克上。
The metal zip had been invented in 1893 and by 1917 it was somewhat timidly used for shoes, tobacco pouches and u.
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