1.
Having three focal lengths.
三焦距的有三个焦距的
2.
equivalent focal length
当量焦距，等效焦距
3.
slight burn or scorch on cloth,etc
（布等的）轻微烧焦或烫焦.
4.
autofocus zoom lens
自动聚焦变焦距镜头
5.
Focus-to-film distance(f.f.d)
焦点-胶片距离(焦距)
6.
coke oven plant
炼焦炉工厂,焦化厂
7.
To adjust or come to a focus.
使聚焦调整或达到焦点
8.
Damon and Pythias
焦不离孟,孟不离焦
9.
A caustic curve or surface.
焦散曲面，焦散表面
10.
To convert or be converted into caramel.
熬成焦糖熬…使成为焦糖或被熬成焦糖
11.
A substance that has been scorched, burned, or reduced to charcoal.
烧焦物被烤焦、烧焦或烧成木炭的物质
12.
Of or relating to a focus.
焦点的焦点的或与焦点有关的
13.
A Survey of Studies on Focus;
焦点、焦点结构及焦点的性质研究综述
14.
focus-coil assembly
电磁聚焦组件;聚焦线圈系统;聚焦线圈系统
15.
Placed at or measured from a focus.
焦点上的设置在焦点上的或从焦点处测量的
16.
INFLUENCE OF COKING PERIOD ON YIELD AND QUALITY OF COKE IN DELAYED COKING PROCESS
延迟焦化成焦周期对焦炭收率和质量的影响
17.
The act or result of causing a lens to deviate from accurate focus.
散焦，去焦使透镜偏离准确的焦点的行为或结果
18.
Study on Co-coking Blending Coking Coal with Low Temperature Coal Tar Pitch and Tarry Residue;
低温煤焦油沥青及焦油渣配煤炼焦实验研究