您要查找的是不是:
- fixed neutral density filter 固定中密度滤光器
- Linear gradient neutral density filter 线性变密度中性滤光片
- Unsafe filters include color film, some non-silver black and white film, medical x-ray films with images on them, smoked glass, photographic neutral density filters and polarizing filters. 任何彩色负片、不含银的黑白负片、被烟熏黑的或用墨汁涂黑玻璃片、太阳眼镜、拍摄用中性减光滤镜、偏振镜、磁盘、光盘等,都是不安全的,肉眼看不见的光线(比如红外线)可能大量穿透这些物品,长时间观看会对眼睛造成很大伤害,因此请不要使用这些替代品进行观日。专业的日食观测镜请到专业可信赖的机构购买。
- variable neutral density filter 可变中性密度滤光器
- graded neutral density filter 分级中性滤光片
- neutral density filter 中性滤光片
- The tables are firmly fixed to the floor. 桌子都牢牢地固定在地板上。
- Combined with density filtering technique to improve the smoothness of density field, the mesh-dependence phenomenon is overcome. 采用密度过滤技术进一步提高密度场的连续性和光滑性,从而消除了网格依赖性现象。
- The man jacked up his car to fix a flat tire. 那人用千斤顶把他的汽车顶起以修理漏气的轮胎。
- I bought a run-down farm house and plan to fix it up. 我买了一间破败的农舍,打算整修整修。
- We needed someone to fix the tape recorder. 我们需要有人来修理录音机。
- He has a rather neutral character. 他品性平平。
- I can fix up you with a used car. 我可以为你提拱一辆旧车。
- I tried to fix the date in my mind. 我试着把那个日期牢记在心。
- He promised to fix me up with a nice girl. 他答应为我介绍一位妙龄女郎。
- That country remained neutral in the war. 那个国家在那场战争中保持中立。
- Put the gear lever in the neutral position. 把变速杆推到空挡的位置。
- The neighbourhood pusher got Joe a fix. 邻里的不法商贩给乔打了一针毒品。
- It's because I do not like to fix work hour. 这是因为我不喜欢固定的工作时间。
- The fence posts were fixed firmly in the ground. 栅栏的立柱牢牢地固定在地上。