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virtual focus：虚焦距

"有效基线","virtual base" | "虚焦距","virtual focus" | "虚重力","virtual gravity"

vocational：职业的,就职的,面向职业的,为职业作准备的

focus of the course 课程重点 | vocational 职业的,就职的,面向职业的,为职业作准备的 | oriented towards employment 面向职业的,面向工作的

These documents are useless - they are only wastebasket fodder：这些文件毫无用处,只配扔进废纸篓里

6075. He always wants to be the focus of atten... | 6076. These documents are useless - they are only wastebasket fodder. 这些文件毫无用处,只配扔进废纸篓里. | 6077. The knight was murdered by his foes...

Wb：白平衡

这几天,一直在玩弄那部D80,快门(SHUTTER)一关一合,光圈(APERTURE)调大调细,白平衡(WB),对焦(FOCUS)……"一切都系晒呢度!"~~~

weak convergence：弱收敛

弱估计:weak estimate | 弱收敛:Weak convergence | 细焦点:weak focus

What a vision, so clear.. such focus：幻想家, 很明显.. 很关注

What an artist you are.|你是个艺术家. | What a vision, so clear.. such focus.|幻想家, 很明显.. 很关注. | I almost feel guilty asking you this,|问你这些我觉得很内疚,

play akey role：起到关键作用

39.focus on the students'ability as awhole重视培养学生的整体能力 | 40.play akey role起到关键作用 | 41.contribute to solving the problem of有助于...问题的解决

aplanat：消球差镜,齐明镜

API标度 API scale | 消球差镜;齐明镜 aplanat | 消球差焦点 aplanatic focus

Cassegrainian antenna：卡塞格兰天线

Cassegrain focus | 卡氏焦点,卡塞格兰焦点 | Cassegrainian antenna | 卡塞格兰天线 | Cassini division | 卡西尼环缝

Hard Courter：硬地场地

48 Focus 落点 | 49 Hard Courter 硬地场地 | 50 Grass Courter 草地网球场

Cardinals：基數 Ordinals 序數

Have a nice trip. 旅途愉快 | Numbers (數字) 基數與序數 | Cardinals 基數 Ordinals 序數

plasters：石膏

plaster of paris 熟石膏,烧石膏,半水石膏 | plasters 石膏 | plastic Solution 粘性溶液