梯形

trapezia

[数]梯形

margin of employment 受雇暂限, 雇佣边际 | trapezia [数]梯形 | bellflower 吊钟花, 风铃草

trapezia

梯形

trapeze 吊秋千 | trapezia 梯形 | trapeziform 不规则四边形

trapeziform canal

梯形断面

封闭剂:root canal sealer | 梯形断面:trapeziform canal | 近中颊根:Mesiobuccal canal

tapered end mills for trapeziform runner with parallel shanks

平行杆梯形回转端铣刀

b3631 钻石尖角修整工具 pointed diamond dressing tools | b3632 平行杆梯形回转端铣刀 tapered end mills for trapeziform runner with parallel shanks | b3633 插入式刀架 tool holders for indexable inserts

chased helicoid

法向梯形齿廓螺旋面

chase || 追赶, 追击 追赶, 追逐, 雕镂 | chased helicoid || 法向梯形齿廓螺旋面 | chased silver || (工艺)雕花银器

lofted surface

梯形面

local-to-world matrix 本地空间到世界空间转换矩阵 | lofted surface 梯形面 | long shot 长镜头

acme thread form

梯形螺纹

套筒 sleeve | 梯形螺纹 acme thread form | 特殊运动链 special kinematic chain

acme thread form

梯形螺纹,齿顶圆

acknowledging switch || 认收开关 | acme thread form || 梯形螺纹,齿顶圆 | acorn cap nuts || 铁器焊接袋帽

stub acme thread

短梯形螺纹

STT 水面测试井口装置 | stub acme thread 短梯形螺纹 | stub in 在已有容器、管汇上接新管线

acme, acme thread

梯形螺纹;爱克米螺纹

特性 characteristics | 梯形螺纹;爱克米螺纹 acme, acme thread | 替代机构 equivalent mechanism

photoperiodic response：光周期响应

photoperiodic induction 光周期诱导 | photoperiodic response 光周期响应 | photoperiodism 光期性

Multi-Variate Statistical Analysis：多元统计剖析

311. 多项距阵 Multi-Nominal Matrix | 312. 多元统计剖析 Multi-Variate Statistical Analysis | 313. 发电厂 Power Plant