In addition, last month was the warmest June on record at 61.1 degrees F - 1.22 degrees F above the 20th Century average.
此外，上个月是最热的六月，室外温度达到61.1华氏度- - -比20世纪的平均温度高1.22华氏度。
They can be seen as at technical parity with US fighters such as the F-15 and F-16, he noted.
它们在技术上可以与美军战机f - 15和F - 16对等。
What I do at any point is project F to the tangent direction, I figure out how much F is going along my curve and then I sum these things together.
我所做的就是把F投影到切向量方向上，得出F沿着曲线的值,然后再把这些加起来。
And the new 5th-generation fighters, the F-22 and F-35, have Max speeds at altitude of Mach 2.25 (slower than the F-15) and Mach 1.67.
至于第五代的新式战斗机F - 22和F - 35，前者的最高速度为2.25马赫(比f - 15低)，后者是1.67马赫。
CRITICAL Temperature: Temperature at which, upon heating, a steel transforms into the structure called Austenite. For most steels this occurs between 1350 degrees F. and 1500 degrees f.
临界温度：钢材加热使得内部结构产生奥氏体时的温度。通常大部分钢材的临界温度在华氏1350度到1500度之间。
The difference between an f/1.8 lens and an f/5.6 lens can be the difference between a clean picture of a church at dusk shot at ISO 400 or a grainy image shot at ISO 3200.
光圈f/1.8的镜头和光圈f/5.6的镜头之间的区别可能相当于一张以400感光度拍摄于黄昏的清晰教堂照片和一张以3200感光度拍摄的模糊影像之间的区别。
A plan to purchase short takeoff F-35 strike fighters is canceled to instead procure the less expensive carrier F-35 at a later date.
采购能够短距起飞的F - 35的计划取消，取而代之的是在晚些时候获得便宜的舰载f - 35。
Temperatures there range from 11, 000 degrees F (6, 125 degrees C) at bottom to 7, 460 degrees F (4, 125 degrees C) at top.
光球的底层温度为11000华氏度（6125摄氏度），顶层温度为7460华氏度（4125摄氏度）。
Well, the change in f is the value of f at the upper point here, which is x0+delta x, and minus its value at the lower point P, which is f of x0, divided by delta x.
f的变量就是f在上面的点时的值，x0+deltax，减去f在下面的点P时的值，x0，再除以delta x。
The world was only 1.5 C to 2 C (2.7 F to 3.6 F) warmer then, a temperature rise at the low end of the range predicted for the end of this century.
到本世纪末，全球的平均最低气温差不多会上升1.5度到2度。
Earthquakes usually occur several days or tens of days after the F-content's return to the background value, and only few qua kes occur at the time of the maximum value of the F-content.
而地震常常发生在F -含量恢复背景值后数天或数十天，仅有个别地震发生在F -含量达最高值时。
Since most of the flying at this stage of the F-22 program concerns developmental tests why does the F-22 CTF need an operational test pilot?
既然F-22项目现阶段最为关注的内容是研发试飞，为什么F-22综合测试大队会需要战斗试飞员呢？
The day of the interview, one of the two F-22s at Edwards set off on the eighty-ninth F-22 flight and added to the 190 hours already accumulated.
在采访的当天，爱德华兹空军基地两架F - 22中的一架开始了F - 22的第89次飞行并将累积的飞行时数增加到了190个小时。
Since most of the flying at this stage of the F-22 program concerns developmental tests, why does the F-22 CTF need an operational test pilot?
既然F - 22项目现阶段最为关注的内容是研发试飞，为什么F - 22分析测试大队会需求斗争奋战试飞员呢？
At least two days PRIOR to the meeting the department head has to inform the F&B office of the meeting date, venue, time and to submit a short agenda to the F&B office.
至少提前两天，部门的领导向餐饮部办公室递交会议日期，地点，时间，并递交一份简 短的议程给餐饮部办公室。
At least two days PRIOR to the meeting the department head has to inform the F&B office of the meeting date, venue, time and to submit a short agenda to the F&B office.
至少提前两天，部门的领导向餐饮部办公室递交会议日期，地点，时间，并递交一份简 短的议程给餐饮部办公室。
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