如果机器运转不正常，就会出现错误代码。
In the event of the machine not operating correctly, an error code will appear.
如果您的孩子出现任何生病的症兆，带她去看医生。
If your child shows any signs of illness, take her to the doctor.
如果汽车普及了，很可能会出现交通堵塞。
If the cars become popular, there is likely to beair traffic jam.
如果今年夏天出现热浪，我们最好也穿上衬衫，涂上防晒霜，戴上帽子。
If there is a heat wave this summer, it would be best for us, too, to slip on a shirt, slop on sunscreen and slap on a hat.
如果因为疾病导致其中一个髋关节不再能够支撑这么多的力量，将会出现什么情形呢？
What happens if through disease a hip-joint ceases to be able to resist such forces?
俄亥俄州立大学经济学教授露西亚·邓恩警告称：“如果我们的发现依然成立，未来可能会有更多老年人出现严重的财务问题。”
"If what we found continues to hold true, we may have more elderly people with substantial financial problems in the future," warns Lucia Dunn, professor of economics at Ohio State.
如果你说你喜欢玉米煎饼，一条“塔克钟”的横幅广告就会出现在你的网页的顶端。
If you say you love burritos, a banner ad for Taco Bell might appear at the top of your page.
如果我们在一月份观察一颗恒星——那时地球在其轨道上的一个点——它的位置似乎会与六个月后它出现的位置不同。
If we look at a star in January—when Earth is at one point in its orbit—it will seem to be in a different position from where it appears six months later.
如果您对花粉过敏，您应该避免开花植物，或者在它们出现后，立即剪掉它们。
If you have pollen allergies, you should either avoid flowering plants or snip off the flower buds as soon as they appear.
如果该椭圆结构曾是细菌，它们也该在所有区域出现。
If the oval structures were once bacteria, they should be everywhere, too.
工资调查很容易把一个人重复计算进去：如果你是一个人同时做两份工作，你就会以两名员工的身份出现。
The payroll survey can easily double-count someone: if you are one person with two jobs, you show up as two workers.
如果我们长时间远离这些社交网络，那么孤独感就会出现，并刺激我们寻找伴侣。
If we spend too long away from these networks, then loneliness sets in and encourages us to seek companionship.
如果出现了错误，它们就被以为是现场指挥官的错。
If mistakes occurred, they were assumed to be the fault of the commander on the spot.
如果没有更多的作家和艺术家出现，这个国家的文化生活将衰退。
The cultural life of the country will sink into atrophy unless more writers and artists emerge.
最重要的警告是：如果你出现了严重的症状，不要再往上了，要往下走。
The most important warning is this: if you have severe symptoms, then don't go away, go down.
如果他们使用手机，手镯的屏幕上会出现不同的照片。
If they used their cell phones, a different photo would appear on the screen of the bracelet.
如果出现这种情况，那就深呼吸，放慢节奏。
你说“你好”，如果你看到他们在院子里可以闲聊，当他们出现时你们可以讨论问题，在紧急情况下你们可以互相帮助。
You say "hello", use small talk if you see them in the yard, you discuss problems as they arise and you help each other in an emergency.
他们认为，如果这些沉默的基因以某种方式被重新激活，长期丢失的性状可能会重新出现。
If these silent genes are somehow switched back on, they argued, long-lost traits could reappear.
如果你一再让铃声和食物同时出现，很快，铃声便会促使唾液分泌。
Over and over again, if you put the bell and the food together, pretty soon, the bell will generate saliva.
如果出现提示，则允许RAD将您的报告移动到工作区内适当的文件夹中。
If prompted, allow RAD to move your report to the appropriate folder within your workspace.
如果没有物理屏障将继续在同一栖息地生活和繁殖的个体隔离开来，分化是否会出现？
Can divergence occur if no physical barriers are in place to separate individuals who continue to live and reproduce in the same habitat?
例如，我们甚至不知道有多少恒星有行星，我们当然也不知道如果有适当的条件，生命自然出现的可能性有多大。
We do not even know, for example, how many stars have planets, and we certainly do not know how likely it is that life will arise naturally, given the right conditions.
他接着透露了针对员工销售的严格规定：“你可以为某人买礼物，但他们会跟踪每一件物品，如果你的礼物最终出现在网上，他们知道应该去询问谁。”
He goes on to disclose the strict guidelines around the employee sales: "You may buy gifts for someone, but they track each item, and if your gift ends up online they know who to ask."
如果孩子的自我控制能力问题较轻，那么成年后出现的健康问题也会较少。
Children with minor self-control problems were likely as adults to have minor health problems.
如果能观察到一颗奇点，并获取关于奇点附近出现的可信的怪异现象的直接证据，那将非常好。
It would be wonderful to observe a singularity and obtain direct evidence of the undoubtedly bizarre phenomena that occur near one.
这样的话，如果出现麻烦，就会有人去找你。
That way, someone will go search for you if troubles appear.
如果它们变得受欢迎，就一定会出现过多的空中交通。
If they become popular, there will surely be too much air traffic.
如果没有人打扫街道，把垃圾带走，可怕的疾病很快就会出现并且很容易传播。
If no people clean streets and take the rubbish away, terrible diseases will soon appear and spread easily.
在特定的时间和地点，当月虹恰巧出现时，如果你就在那里，千万不要错过它。
At a certain time and a certain place, when a moonbow happens to appear, you can't miss it if you're right there.
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