-- in the Syriac, Coptic, and Ethiopic churches, a title given to the bishops, and by the bishops to the patriarch.
an optical phenomenon resulting from the failure of a lens or mirror to produce a good image
A group of teleostean fishes having spiny fins. See Acanthopterygii.
a sharp-pointed process especially a sting of a hymenopterous insect
suitable or eligible for adoption
A-denopterin
[化] 4-氨基二甲叶酸
A-ninopterin
[化] 锑银矿
acanthopteri
n. 【鱼类】棘鳍类(= Acanthopterygii)
acanthopterygian
n. 棘鳍类的鱼a. 棘鳍类的
acanthopterygii
n. 棘鳍总目
acousto-optic deflector
[计] 声光偏转器
acousto-optic effect
[计] 声光效应[化] 声光效应
acousto-optic medium
[计] 声光介质
acousto-optical crystal
[化] 声光晶体
acousto-optical glass
[化] 声光玻璃
acoustooptics
[复]n.[用作单][物]声光学
Actiniopteris
[网络] 凤尾蕨属
actinopterygian
辐鳍亚纲的鱼
actinopterygii
n. 辐鳍鱼纲;辐鳍鱼亚纲;条鳍类;刺鳍目
actinopterygium
辐鳍
active-optics
[光] 能动光学主动光学
acute optic axial angle
[机] 锐光轴角
adaptive optics
自适应光学
adaptive optimal control
[计] 自适应优化控制
adaptive optimization
[计] 自适应优化