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A modulated signal of uexp(tt/Pw) added by a 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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以单边递减波电压讯号加上准常态杂讯乘以无杂讯载波之调变讯号为例,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 mold in which such metal is cast.
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金属铸模金属锭在其中被铸的模子 |
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A mold, as of a footprint, made for use in a criminal investigation.
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印模在刑事侦察中所用而制作的印模,如脚印的印模 |
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A molded rectangular block of clay baked by the sun or in a kiln until hard and used as a building and paving material.
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砖块在太阳下或窑里烘烤变硬的模制长方形黏土砖,用作建房和铺路的材料 |
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A mole is a blemish on a person's skin.
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黑痣在人的皮肤上是个瑕疵。 |
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A molecule consisting of two identical simpler molecules.
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二聚物由两个较简单的相同分子形成的聚合物 |
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A molecule is a thousand times bigger than an atom of hydrogen.
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一个分子比一个氢原子大一千倍。 |
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A molecule of an element consists of one or two atoms.
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一个元素的分子包含一个或两个原子。 |
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A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
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水分子含有两个氢原子和一个氧原子. |
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A molecule that can combine with others to form a polymer.
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单体可以与其他分子结合形成聚合物的分子 |
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A mom's to-do list never ends.
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近年流行新派护理,但传统的母亲有时独爱传统护理。 |