网络释义专业释义
if f only 要是…多好 ; 要是……就好了 ; 要是
if f possible 如果可能的话
If f Frame is loaded 如果影帧已载入
F IF A 国
if not f then write 如果是质数就输出
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敌我识别器 - 引用次数：1 参考来源 - 二次雷达信号模拟器的设计敌友识别
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敌我识别
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当且仅当交换档案格式 (interchange file format)
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敌我识别友敌鑑别仪
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敌我识别系统
·2,447,543篇论文数据，部分数据来源于NoteExpress
柯林斯英汉双解大词典
iff /ɪf/
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1.
CONJ a shortened form of if and only if: it indicates that the two sentences so connected are necessary and sufficient conditions for one another. Usually iff is used for equivalence in the metalanguage, rather than as the biconditional in the object language 当且仅当 [logic]
双语例句原声例句权威例句
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We have a converse if F is defined in the entire plane.
如果F定义在整个平面上，反过来成立。
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So you can see now if the object comes to you, in other words, f if f prime is larger than f, if the frequency is higher, then the wavelength will be smaller.
所以你可以看到,如果物体靠近你，换句话说，如果f撇大于，如果频率变高，波长就会变短。
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If you make an "OK" sign with your thumb and finger, that is the shape for the letter "f" in American sign language.
如果你用拇指和其他手指做一个 “OK” 的手势，那就是美国手语中字母 “f” 的形状。
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President Obama had threatened to veto his own defense budget if the Congress added $1.75 billion to produce more F-22 Raptor aircraft.
VOA: standard.2009.07.21
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For example, F x y z if I have an equation that looks like this, f of x, y, z.
打个比方，我有个这样的方程。
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The power of linearity is F=k1+k2 if I come across f of x, y, z equals k1 plus k2, if it is a linear equation, I don't have to go and solve it all over again.
线性的威力是,一个方程，如果它是个线性方程，那么我就不用再去解他了。
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