illegal sand mining: sounded a warning bell once more for safety of yangtze river

has the warning bell rung yet?

预备铃响过了吗？

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drivers may not hear your warning bell, so you should take every safety precaution to avoid the need to give a warning.

其他驾驶人可能听不到警告铃声，你要分外小心。

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everyone should arrive in the classroom after the warning bell has gone off.

预备铃响过之后大家就应该走进教室了。

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before every class there are two bells that go off. the first bell is the warning bell, and the second is the class bell.

每节课前都响两遍铃。第一遍是预备铃，第二遍是上课铃。

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but let the death of amy winehouse once again sound the warning bell.

但是，让艾米·怀恩豪斯的离世再一次为我们敲响警钟吧。

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the time interval between the warning bell and the class bell is two minutes.

预备铃和上课铃通常间隔两分钟。

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in essence, anger is a warning bell that tells you something is wrong in a situation. it's a natural response to perceived threats.

从本质上说，愤怒是一个会告诉你在一个情况下出现了问题的警钟。愤怒是对感知威胁的自然反应。

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on the undecidability of run time error in polyadic χ-calculus

多元χ演算运行时错误的不可判定性

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ray: yes. see u tomorrow afternoon.

雷伊：没问题，明天下午见。

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u won't know without a try, see u tomorrow.

不试试是不知道的，明天见。

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at open doors dogs come in

狗从开著的门中进来

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microsoft exchange server 2007 uses an extensible storage engine (ese) database for queue message storage.

MicrosoftExchangeServer2007使用可扩展存储引擎（ESE）数据库存储队列邮件。

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finally there are the message storage options.

最后，还有消息存储的选项。

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message storage is meant for short term queuing and store-and-forward type architectures.

消息存储用于短期队列和存储-转发类型的架构当中。

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dynamic garment simulation based on mass-spring system

基于粒子-弹簧模型的动态服装仿真

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response of mass spring system

质量弹簧系统响应曲线

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design and simulation of first class nonlinear parameterized mass-spring system

一类非线性参数化弹簧系统的设计和仿真

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discussion on experimental condition for mass-spring system

关于弹簧振子实验中实验条件的讨论

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isolation properties of double mass-spring system under blast shock and vibration

爆炸冲击震动下双层线性隔震体系的隔震性能

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on the construct design of a fixed-fixed undamped mass-spring system under the sum of mass of system restriction

固定-固定型无阻尼弹簧质点系统的质量约束问题

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