section a-a a-a  剖面

A New Method  应用性能指数; 新方法; 一种新方法

A new method of synchronization  新同步方法

A new method of voltage switching  电压切换的新方法研究

A new phase-selecting scheme  一种新型选相方案

A-A-A conjugation structure  A-A-A型共轭结构

A-Φ-A method  AΦA方法

S-A(A-A) missile  地空导弹

A.A.A.  美国汽车协会

setting a new method for managing tree-woods  营林模式

filter with zero-phase-shift  零相位滤波器

Zero crossing method  过零时间法; 零点交叉法

zero-crossing method  零相交法; 过零法

’Hongxiu’—A New Variety of Gladiolus  唐菖蒲新品种‘红绣’

’Jinli’-A New Winter Squash F1 with High Quality  优质南瓜新品种锦栗

39A new table jujube cultivar ’Jingzao 39’  枣鲜食优质新品种京枣

a bowed stringed instrument with a thin wooden soundboard  板胡

a breakdown for lack of a phase  缺相故障; 载波频率偏差

A bulk carrier of 26000 dwts capacity with seven holds and of single deck construction ideal for world wide tramp operation especially bulk grain shipments with a speed of 15 knots  一艘载重26 000吨