如果没有这种路，在山顶上你也更容易被发现。
If there are no trails, you are much easier to be seen on top of a hill.
如果没有这种联系，这些物品与原始数据即使得到保存，也不能保证后世能够理解。
Without that link, the survival of objects and raw data doesn't guarantee the survival of knowledge.
我们知道，人类一直是群居的；如果没有这种安排，我们的物种很早之前就灭绝了。
Humans, as we know, have always lived in groups; without this arrangement, our species would have died out long ago.
如果没有这种路，在山顶上你也更容易被发现，甚至可以从山顶看到公路或者铁路。
If there are no trails, you are much easier to be seen on top of a hill, and you may even spot a highway, or a railroad from this point.
如果没有这种肌肉运动，吸气就像从气球里吸出空气一样——狭窄的通道往往会坍塌。
Without this muscular action, inhaling is like sucking air out of a balloon—the narrow passages tend to collapse.
同样，如果没有这种精神，将变得毫无生气。
甚至如果没有这种感觉，我不知道该怎么做。
科学家说，如果没有这种凝胶，细菌将无法存活。
如果没有这种层次的强度，那就没有忠诚可言。
如果没有这种分离，那么生命本身就是爱的行动。
When there is not this separation then living itself is the act of love.
如果没有这种饲养业，农家经济就无法存在下去。
如果没有这种新基因，这四种菌株就完全不能生长了。
如果没有这种词汇扩充，许多这些概念将难以普及开来。
Without this expansion, many of these concepts would struggle to leave their infancy.
如果没有这种交换，任何企业也就失去了存在的必要。
Without the exchange value, there's no reason for any enterprises to exist.
事实上，如果没有这种简单的日常物质，所有人都会死。
In fact, without this simple, everyday material, all humans would die.
如果没有这种服务精神，我们就无法在这个社会中生存。
Without the service consciousness, we'll not be alive in the society.
如果没有这种认识，风险无法正确评估和保护战略，可能是不够的。
Without this understanding, risk cannot be properly assessed and protection strategies may not be sufficient.
如果没有这种策略，系统产生的日志消息就有可能无益于问题的分析和解决。
Without one, the log messages produced by the system may not be useful for problem resolution.
如果没有这种数量守恒约束，glpsol就会将下面的错误打印到stdout上。
Without the mass conservation constraints, glpsol prints this error to stdout like so.
如果没有这种测试，运动队官员可能就不清楚队员是否患上脑震荡，并可能派他重新上场比赛。
Without the test, sports team officials may not know whether the player has a concussion and could return him or her to the game.
如果没有这种可以快速输送氧气的方法，昆虫这些可以飞行的肌肉组织几乎不能有效地起作用。
The flight muscles of insects could not function nearly as effectively without such a quick means of oxygen delivery.
如果没有这种规则，那么即使铁路公司可以有效率地防止作物损失，它也就不会有防止损害的激励。
Without a liability rule, the railroad wouldn't have any incentive to prevent the damage if there was a cost-effective means of doing so.
如果没有这种附加信息，它需要重新传送大量的数据，这样会降低传送速率，从而适应高丢包率的网络。
Without this extra information, it would need to retransmit much more data and slow down its sending rate to accommodate what looks like a high-loss network.
一般讲，法律是导致文明的力量，如果没有这种力量，让人性听其自然，人就会成为最野蛮的动物。
Mankind must have laws and conform to them or their life would be as bad as that of the most savage beast.
一般讲，法律是导致文明的力量，如果没有这种力量，让人性听其自然，人就会成为最野蛮的动物。
Mankind must have laws and conform to them or their life would be as bad as that of the most savage beast.
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