您要查找的是不是：
- How about not the same F number, but the same in area of aperture? 兄台的问题，是问当光圈实际大小不变，焦距和景深的关系吧。
- The categories oafter effect 大纲f the lubricated duplicators are intricate. 那些润滑过的复印机的种类错综复杂.
- Expect it to be released with an 'F' number rather than a 'D', either F7 or F7D. 型号更大可能是F打头而不是D，比如F7或者F7D之类。
- The system has large aperture and low F number due to the requirement of large FOV. 空间推扫相机的光学系统要求具有大视场、大口径、低F数等特点,据此设计了一种3波段光学系统。
- The fill factor and F number of refractive microlens array fabricated by melting photoresist are increased by reducing developing time. 摘要采用缩短显影时间法改善了光刻胶热熔法制作微透镜阵列的工艺，提高了折射型微透镜阵列的F数(F(上标%23))与填充因子。
- That's rather an effective use of color. 这种使用颜色的手法效果相当好。
- In the short term, the medicine may not be very effective. 从眼前来看，这药可能疗效不是很大。
- When does the new system become effective? 新制度何时生效？
- The fear of ridicule is a very effective sanction. 人们不做违法乱纪的事，其中一个重要因素就是怕人耻笑。
- Effective, punitive, or destructive action. 有效的行为有效的、惩罚的或破坏性的行为
- So that is your effective remedy. 原来那就是你们所谓的有效药物。
- I think you'll have to take effective steps. 我认为你得采取有效措施。
- Gentle persuasion is more effective than force. 温和的说服胜於压服。
- This country lacks an effective party of the centre. 这个国家缺少一个能起作用的中立党派。
- To find a simple and effective way in epicanthal f old operation. 目的寻求一种简单有效的内眦赘皮手术治疗方法。
- In using superheated steam, compounding becomes less effective. 使用过热蒸汽时，混合的效果就会减少。
- Commercial television is an effective medium for advertising. 商业电视是有效的广告宣传工具。
- f number 焦距比数
- Keywords polarity effect（PE）;field effect（F）;conjugacy effect（C）;edge degree-distance index（ED）;bisbenzamide cyclic urea derivatives;anti-HIV-1-protease activity;QSAR; 极化效应（PE）;场效应（F）;共轭效应（C）;边度-距离指数（ED）;双苯甲酰胺环脲衍生物;抗HIV-1蛋白酶活性;QSAR;
- Their efforts to improve the production have been very effective. 他们提高生产力的措施卓有成效。
