凹面

roove clinker nail

紫铜钉

roove clinker nail 垫片弯尖钉 | roove clinker nail 紫铜钉 | roove 菱形凹面垫片

sagittal beam

弧矢光束

sagged bevel 凹面倒边 | sagittal beam 弧矢光束 | sagittal coma 弧矢彗差

cambering machine

弯面机,钢轨钢梁矫直机,钢轨矫直机

cambering gear ==> 凸面加工装置,凹面加工装置 | cambering machine ==> 弯面机,钢轨钢梁矫直机,钢轨矫直机 | cambering mechanism ==> (轧辊磨床上)辊型磨制自动装置

concatenated motor

串激電動機

計算機 computing machine | 串激電動機 concatenated motor | 凹面鏡 concave mirror

secreting face

分泌面

弯曲的囊泡有两个面(凸面和四面),凸面又称形成面(forming face),或称未成熟面(immatureface),靠近胞核;凹面为分泌面(secreting face),或称成熟面(mature face),面向细胞膜.

fluted chucking reamer

机用带槽铰刀

fluted bar iron ==> 凹面方钢 | fluted chucking reamer ==> 机用带槽铰刀 | fluted column ==> 凹槽柱

Facies articularis calcanea posterior

后跟关节面

facies articularis anterior ==> 前关节面 | facies articularis calcanea posterior ==> 后跟关节面 | facies articularis inferior ==> 下关节凹面

concave gratings

凹光栅

concave grating 凹面光栅 | concave gratings 凹光栅 | concave holographic grating 凹全像光栅

Leng Length

长度

LC Level Control 液位控制器 | Leng Length 长度 | LF Female Face 凹面

Facies articularis malleoli

外侧踝关节面

facies articularis inferior ==> 下关节凹面 | facies articularis malleoli ==> 外侧踝关节面 | facies articularis sternalis ==> 胸骨关节面

of a composite function：复合函数之导数

Derivative :导数 | of a composite function :复合函数之导数 | of a constant function :常数函数之导数

enriched lake：富营养湖

LRPA Long-Range Patrol Aircraft 远程巡逻飞机 | enriched lake 富营养湖 | bang it about 决胜负 诉诸武力