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A void negative people, places, things and habits.
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避开不善之人,远离是非之地,不招惹麻烦,不要养成坏习惯. |
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A volcanic island of Indonesia between Sumatra and Java. A violent explosion in August1883 blew the island apart and caused a tidal wave that killed more than36,000 people.
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喀拉喀托火山位于苏门答腊和爪哇之间的一个火山岛。1883年8月，该岛火山的一次猛烈的喷发使该岛裂开，并引发了一场使36，000多人丧生的海啸 |
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A volcano emits smoke and ashes.
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火山散发着烟和灰。 |
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A volcano emits smoke, lava and ashes.
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火山喷射出烟、 熔岩和灰烬. |
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A voltage signal Rect(tt/Pw) added by zero mean Uniform noise. is demonstrated for 2-D dependence of the waveform on time and trials and 2-D dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a
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以加上均匀杂讯之方波电压讯号为例，图示含有杂讯电压讯号其波形随时间及试验之二维变动及频谱随频率及试验之二维变动，显示杂讯与讯号之随机过程在时域与频域之不同特性。 |
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A voltage signal Rect(tt/Pw) multiplied by zero mean Uniform noise is demonstrated for 2-D dependence of the waveform on time and trials and 2-D dependence of spectrum on frequency and trials to show different time domain and frequency domain properties o
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以乘上均匀杂讯之方波电压讯号为例，图示含有杂讯电压讯号其波形随时间及试验之二维变动及频谱随频率及试验之二维变动，显示杂讯与讯号之随机过程在时域与频域之不同特性。 |
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A voltage signal Tria(tt/Pw) added by Normal noise. is demonstrated for 2-D dependence of the waveform on time and trials and 2-D dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a random proc
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以加上准常态杂讯之三角波电压讯号为例，图示含有杂讯电压讯号其波形随时间及试验之二维变动及频谱随频率及试验之二维变动，显示杂讯与讯号之随机过程在时域与频域之不同特性。 |
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A voltage signal Tria(tt/Pw) added by zero mean Uniform noise. is demonstrated for 2-D dependence of the waveform on time and trials and 2-D dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a
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以加上均匀杂讯之三角波电压讯号为例，图示含有杂讯电压讯号其波形随时间及试验之二维变动及频谱随频率及试验之二维变动，显示杂讯与讯号之随机过程在时域与频域之不同特性。 |
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A voltage signal cos(2*pi*Freq*tt), added by Normal noise. is demonstrated for 2-D dependence of the waveform on time and trials and 2-D dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a rand
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以加上准常态杂讯之弦波电压讯号为例，图示含有杂讯电压讯号其波形随时间及试验之二维变动及频谱随频率及试验之二维变动，显示杂讯与讯号之随机过程在时域与频域之不同特性。 |
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A voltage signal cos(2*pi*Freq*tt), freq = 2(MHz) added by Normal noise. is demonstrated for 2-D dependence of the waveform on time and trials and 2-D dependence of spectrum on frequency and trials to show different time domain and frequency domain proper
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以加上准常态杂讯之弦波电压讯号为例，图示含有杂讯电压讯号其波形随时间及试验之二维变动及频谱随频率及试验之二维变动，显示杂讯与讯号之随机过程在时域与频域之不同特性。 |
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A voltage signal uexp(tt/Pw) added by zero mean Uniform noise. is demonstrated for 2-D dependence of the waveform on time and trials and 2-D dependence of spectrum on frequency and trials to show different time domain and frequency domain properties of a
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以加上均匀杂讯之单边递减波电压讯号为例，图示含有杂讯电压讯号其波形随时间及试验之二维变动及频谱随频率及试验之二维变动，显示杂讯与讯号之随机过程在时域与频域之不同特性。 |
