弓形

Propylaea japonica Thunberg

弓形虫

龟纹瓢虫:Propylaea japonica. | 弓形虫:Propylaea japonica Thunberg | 龟纹瓢虫:P. japonica Thunberg

divider bow

分禾器弓形杆

dividens ==> 分脉 | divider bow ==> 分禾器弓形杆 | divider calipers ==> 画规

bow drill

弓形钻,弓钻

bow dome ==> 艏声纳导流罩,艏声纳导流罩 | bow drill ==> 弓形钻,弓钻 | bow face ==> 弓面

bow-shaped dune

弓形沙丘

bow 弓 | bow-shaped dune 弓形沙丘 | bow-spring compasses 弹簧圆规

bowstring girder

弓弦大梁,弓形横梁

bowstring bridge ==> 弓弦桥,弓弦式桥 | bowstring girder ==> 弓弦大梁,弓形横梁 | bowstring hemp ==> 弓弦大麻

brace and bit

手摇曲柄钻,弓形钻

brabant linen ==> 布拉邦特亚麻布 | brace and bit ==> 手摇曲柄钻,弓形钻 | brace angle ==> 撑杆角铁

claw foot

爪形足,弓形足

claw crane ==> 爪式起重机 | claw foot ==> 爪形足,弓形足 | claw hammer ==> 拔钉锤

segmental fire bar

弓形炉条

segmental duct ==> 体节性管 | segmental fire bar ==> 弓形炉条 | segmental gear ==> 扇形齿轮

half elliptic ring

弓形弹簧

half elliptic ring 半椭圆形弹簧 | half elliptic ring 弓形弹簧 | half finished product 半成品

upswept frame

弓型框架,弓形框架,上弯构架

upswell ==> 隆起=>膨張 | upswept frame ==> 弓型框架,弓形框架,上弯构架 | uptake flue ==> 上升烟道

functional catches：活动把手生耳

回零针 fly-back hand | 混合表 combo watch | 活动把手生耳 functional catches

parametric linear programming：参数线性规划

参数模型|parameter model | 参数线性规划|parametric linear programming | 参数最优化|parameter optimization