1) four arm cavity
四臂腔
1.
A new method for generating single longitudinal mode operation of TEA CO_2 laser-using four arm cavity to select single longitudinal mode is proposed.
提出一种新的TEA CO_2激光器选单纵模的方法-四臂腔选单纵模。
3) four-wire four-leg
四线四桥臂
4) four-armed liquid crystal
四臂液晶
1.
A new class of star-shaped four-armed liquid crystals based on pentaerythritol as a flexible core was synthesized by aromatic esterification.
以季戊四醇为中心,4-(正烷基酰氧基)-4′-苯甲酰氧基苯甲酸为液晶臂,经酯化反应合成一种芳香酯类星型四臂液晶化合物。
6) four arm electrical bridge
四臂电桥
补充资料：四臂度母及金鸭
度母造像裸以紫铜原色，鸭的造型加以鎏金，增加光泽的质感，好似就要振翅高飞，有较强的艺术性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条