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Certain kind of attacks on some block ciphers may be efficiently resisted by mixing the round keys with a group of frequently changed numbers computed from system time and the counter of data blocks.
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摘要通过将系统时间和数据组号混合到轮密钥之中，可以有效地防止一些对分组密码算法的攻击。 |
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Certain magical devices are usable for time travel, but access to them is strictly controlled.
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某个魔法装置可用来做时间旅行，但它的使用者会受到严格的约束。 |
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Certain names in the book were underlined throughout.
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书中在某些名字下面都划了线. |
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Certain naturally occurring conditions may corrode the valve or its components over time, rendering the valve inoperative.
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天长日久，某些自然发生的环境可能会腐蚀阀门或其部件，导致阀门无法正常工作。 |
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Certain of his friends are very helpful.
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他的几个朋友帮了很大的忙。 |
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Certain of them were honest enough to tell the truth.
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他们中的某些人很诚实地说出真相。 |
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Certain of those present had had too much to drink.
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有些出席的人喝得太多了. |
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Certain of those substances help to induce cells in the pancreas to secrete insulin after an organism eats.
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代谢产物中的某些物质，会在身体进食之后，帮助胰脏细胞分泌胰岛素。 |
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Certain organizational factors ease the shift to a global brand.
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一些组成因素简化了国际品牌的转变。 |
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Certain organs are at particular risk, including the spleen, kidneys, liver, bone, and even the central nervous system.
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一些特定的器官特别危险，包括脾脏、肾脏、肝脏、骨骼，甚至中枢神经系统。 |
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Certain other aspects and operations of the abstract machine are described in this International Standard as unspecified (for example, order of evaluation of arguments to a function).
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本标准将虚拟机器的其他一些方面和操作描述为未指明的（如函数参数的求值顺序）。 |
