Y-axis Y軸
Y-bend Y形管
Y-connection Y形接法
Y-coordinate Y坐標(biāo)
Y-cut crystal Y切割晶體
Y-grid Y形格網(wǎng)
Y-joint Y形接頭，叉形接頭
Y-level Y式水準(zhǔn)儀
Y-line Y軸，Y線
y-tilt Y傾角
YA garnet 釔鋁石榴石
YA laser 鋁酸釔激光器
YAG laser 釔鋁石榴石激光器
YAG Laser Crystals 雷射晶體 (YAG)
YAG Laser Medical Systems YAG雷射醫(yī)療系統(tǒng)
YAG Laser Processing Equipment for Joining YAG雷射加工機(jī)(焊接加工用)
YAG Laser Processing Equipment for Marking YAG雷射加工機(jī)(標(biāo)記用)
YAG Laser Processing Equipment for Removal YAG雷射加工機(jī)(切割加工用)
YAG Laser Processing Equipment for Scribing YAG雷射加工機(jī)(銘刻用)
YAG Laser Processing Equipment for Semiconductor Lithorgraphy YAG雷射加工機(jī)
YAG Laser Processing Equipment for Semiconductor Trimming YAG雷射加工機(jī)
YAG Laser Processing Equipment for Surface Treatment YAG雷射加工機(jī)(表面處
yard 碼（=0.9144米）
yardstick 碼尺
yaw （1）偏航（2）偏轉(zhuǎn)
yellow 黃色[的]
yellow brass 黃銅
yellow filter 黃濾色鏡
yellow heat 黃熱
yellow ochre 赭黃
yellow sodium light 黃色鈉光
yellow spot 黃斑
yellow wax 黃蠟
yellowish 淡黃的，帶黃色的
yellowness index 黃度指數(shù)
Yerkes objective 約克物鏡
Yerkes Observatory 釣克天文臺
Yga garnet 釔鎵石榴石
yield（1） 屈服（2）產(chǎn)額
yield of radiation 輻射強(qiáng)度
yield point 屈服點(diǎn)
yielding rubber 緩沖橡皮
YLF Laser Crystals 雷射晶體(YLF)
YLF Lasers YLF雷射
yoke（1） 架，座（2）軛（3）偏輸線圈
yoke axle 軛軸
yoke ring 軛環(huán)
Young Construction 楊氏結(jié)構(gòu)
Young s Modulus 楊格模量；楊格系數(shù)
Young s Two-Slit Interference 楊格雙狹縫干涉
Young's diffraction theory 楊氏衍射理論
Young's double slit experiment 楊氏雙縫實(shí)驗(yàn)
Young's eriometer 楊氏[暈環(huán)]測微徑計(jì)
Young's experiment 楊氏實(shí)驗(yàn)
Young's interference fringes 楊氏干涉條紋
Young's modulus 楊氏模量
Young's two-slit interferometer 楊氏雙縫干涉儀
Young-Thollon prism monochromator 楊氏-托龍棱鏡單色儀
ytterbium  (Yb)鐿
ytterbium gallium garnet 鐿鎵石榴石
ytterbium glass laser 鐿玻璃激光器
yttrium  (Y)釔
yttrium aluminate laser 鋁酸釔激光器
yttrium aluminitum garnet 釔