透镜

toric lenticular

复曲面双凸透镜

复曲面透镜 toric lens | 复曲面双凸透镜 toric lenticular | 环形螺管;螺形管 toroid

trekometer

战地测距仪

"镀膜透镜","treated lens" | "战地测距仪","trekometer" | "格子型","trellis pattern"

trifoil cross-section

三叶形截面

trifocal lens 三焦点透镜,三焦眼镜片 | trifoil cross-section 三叶形截面 | trifoliolate and alternate leaves 互生三出叶

triply saturated

三基饱和

三合薄透镜 triplet thin lens | 三基饱和 triply saturated | 三脚放大镜 tripod magnifier

Tychonic system

第谷[宇宙]体系

"two-lens objective","双透镜物镜" | "Tychonic system","第谷[宇宙]体系" | "U-B color index","U-B色指数"

unzoned

未划分区域的

unyieldingsupport 不沉陷支座 不可压缩支架 | unzoned 未划分区域的 | unzonedlens 简单透镜

Verdet constant

费尔德[磁旋光]常数

Verant lens 维兰透镜 | Verdet constant 费尔德[磁旋光]常数 | verge 边,边缘

C. vultur

兀鹰角藻

透镜翼藻 Diplopsalis lenticula | 兀鹰角藻 C. vultur | 阿氏多甲藻 Peridinium abei

aspirated engine

吸气式发动机;吸气式引擎

"aspheric lens","非球面透镜" | "aspirated engine","吸气式发动机;吸气式引擎" | "aspiration apparatus for urea determination","定脲装置"

bifurcating box

双叉分接匣

"bifocal lens","复焦点透镜" | "bifurcating box","双叉分接匣" | "big end bearing","大端轴承"

tranquil flow：平静怜

train 列 | tranquil flow 平静怜 | transceiver 无线电收发机

The Marschallin's Major-Domo：瑪莎琳元帥夫人管家 男高音

A police inspector 警官 男低音 | The Marschallin's Major-Domo 瑪莎琳元帥夫人管家 男高音 | An innkeeper 客棧老闆 男高音