half beam

A novel 2 × 2 optical switch, which consists of phase spatial light modulator ( PSLM), polarizing beam-splitter ( PBS), mirror, half-wave plate ( HWP) and quarter-wave plate ( QWP), is proposed.

设计了一种由相位型空间光调制器（PSLM）、偏振光分束器（PBS）、反射镜、半波片（HWP）和四分之一波片（QWP）构成的2×2光开关。

The Dongping Bridge is a new arcuated built-up system bridges. Half through steel box tied arch and prestressed concrete continuous beam were connected directly, and then the bridge becomes the Cooperation System Bridge with vice-arch.

东平大桥是一种新型的拱梁组合桥，由中承式钢箱系杆拱与预应力混凝土连续梁直接连接形成协作体系，并保留施工过程中的拉杆形成副拱。

This paper introduces the working principle of voltage source with half-bridge inverter for electronic beam welder.

介绍了一种 半桥 逆变式电子束焊机高压电源的工作原理和控制电路.

ArF laser beam can cut a single living cell leaving an otherwise undamaged half behind.

值得注意的事实:氩氟气雷射可以将单一个活细胞切割,而且另一半的细胞不会被破坏.

The aftermost transverse structural member in a steel ship, including the floor, frame, and beam assembly at the sternpost. Half-round bars for protection of lines to be provided at transom stern, poop deck, forecastle deck, and partly on the bulkhead.

船尾构架铁船中最靠近船尾的横向组成部分，包括在船尾柱附近的甲板、肋骨和横梁上为保护缆绳免受损伤，在艉封板后、尾楼甲板、艏楼甲板和部分舱壁处应装有半圆钢。