一级

reciprocating inertia force,1st order

一级往复惯性力

当量轴长 equivalent shaft length | 一级往复惯性力 reciprocating inertia force,1st order | 二级往复贯性力 reciprocating inertia force, 2nd order

able seaman

一级水手

able seaman 熟练水手 | able seaman 一级水手 | able 有才能的

able-bodied

一级水手;二等水兵

able 有才能的 | able-bodied 一级水手;二等水兵 | able-bodied rating 一等水兵

first order approximate solution

一级近似解

近似解析解:approximate analytic solution | 一级近似解:first order approximate solution | 弹塑性解析解:elasto-plastic analytical solution

first approximation

一级近似

firing time 点火时间 | first approximation 一级近似 | first class constraint 第一类约束

arterial highway

国有公路,一级公路

travelling feeder 带式移动给矿机 | arterial highway 国有公路,一级公路 | alkali fume 碱性尘雾

Master Chief Petty Officer

海军一级军士长

Warrant Officer 海军二级准尉 | Master Chief Petty Officer 海军一级军士长 | Senior Chief Petty Officer 海军二级军士长

Chief Warrant Officer

一级准尉

Second Lieutenant 少尉 | Chief Warrant Officer 一级准尉 | Warrant Officer, Junior Grade 二级准尉

first cousin

一级堂表亲

一级亲属 first degree relative | 一级堂表亲 first cousin | 遗传咨询 genetic counselling

Czerny's etude

车尔尼练习曲(一级)

04 小酸莓果(一级)Small plum fruit | 05 车尔尼练习曲(一级)Czerny's etude | 06 小司机(二级)Little driver

Apportioned Effort：分摊努力

Applied Direct Costs 实际直接成本 | Apportioned Effort 分摊努力 | Apportioned Task 分摊任务

tussah silk fabric：柞丝绸

tussah silk carpet 柞丝毯 | tussah silk fabric 柞丝绸 | tussah silk fancy yarn 柞粗纺丝