The time has come for action if these beautiful animals are to survive.
若要使这些美丽的动物能生存下去，现在就要行动起来。
But if these be right What is joy?
但如果这些话是对的，那什么又是欢欣？
If these delights thy mind may move.
如果这些赏心乐事能打动你的芳心。
If these steps work for you, congratulations!
如果这些步骤生效，恭喜您！
What if these intelligent aliens are friendly?
如果这些高智慧的外太空生物时友好的呢？
If these proteins are already around, what's new?
如果这些蛋白已是大展拳脚，那有什么新进展？
We will feel very happy if these problems can be solved.
如果这些问题能被解决我们会感到非常高兴。
I have no idea if these stories are even partially true.
我不知道这些故事哪怕有半句属实。
If these strings are kept, then this can be significant.
如果这些字符串都保存下来，那么这可能会造成很严重的空间浪费。
Alas for his own soul, if these were what he sought!
假若那里果真有他要我的东西的话，天啊，让我们为他自己的灵魂哀叹吧！
Will it make a difference... if these species go extinct?
如果这些物种灭绝······会有什么差别呢？
And in my case, not even if these encounters are regular!
在我的例子中，如果这些会面是一成不变的，更是如此。
If these people exist, we will not be able to afford them.
即使存在这样的人，我们也负担不起。
That's good advice, even if these approaches didn't exist.
即使不存在这些方法，这也是一个很好的建议。
If these two are true could this be false? No absolutely not.
如果这两个为真，这个能为假吗？完全不能。
If these are successful, tests on humans may follow soon.
如果动物试验取得成功，不久将用于人体试验。
We'll be thankful if these needs can be fulfilled immediately.
如果这些需要能够立即被满足，我们会很感激的。
If these requirements are not met the jump request is rejected.
如果不能满足这些要求，将拒绝跳转请求。
If these requirements aren't satisfied, the project is a failure.
如果这些要求没有得到满足，项目将会失败。
What if these certainties failed more, or even most, of the time?
如果这些确定性更多次乃至大多数时候都失灵又会怎么样呢？
And, we say that a function is differentiable if these things exist.
我们说一个函数是可微的，如果这些偏导数存在。
If these prerequisites are met, no further operations are performed.
如果满足这些先决条件，则不执行进一步的操作。
Imagine if these devices could recharge simply by being in your home.
想象一下要是这些设备只需在家里就可以充电…。
But it is difficult to say if these reactions are instinctive or learnt.
但想要分清这些反应是先天本能，还是后天习得可不是那么容易。
And if these people are optimistic about the future, the market goes up.
如果这些人对未来感到乐观，市场上涨。
If these people do want to fly Indian, they may well want to fly Jet.
想乘飞机到印度的人都会选择捷达航空。
At the very least we should know if these optimizations are being applied.
这个有待商榷。 但至少，我们应该知道是否应用了这些优化。
If these match, but the exact match fails, a diagnostic is often reported.
如果这些匹配，但精确的匹配失败，那么通常报告一个诊断结果。
Go through the reading and decide if these sentences are true or false.
仔细读文章，确定这些句子是对或是错。
Go through the reading and decide if these sentences are true or false.
仔细读文章，确定这些句子是对或是错。
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