index number
		
		
					
									英 
											['ɪndeks 'nʌmbə]
																 美 
											['ɪnˌdeks 'nʌmbər]
										
													美 
											['ɪnˌdeks 'nʌmbər]
																 
										
							 
		
	 
 
	
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																	Noun:
									
																				- 
										a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time										
																				 
 
 
 
 
 
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																							用作名词																						(n.)
											
										 
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												The index will run into some flak.												
 这一指数也会成为某种广告。
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												The exponent is a fraction or negative number.												
 指数是一个分数或负数。
 
 
 
 
 
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