The study shows that the handle evaluation is effective by principal factor analysis.
本研究表明用主因子分析方法建立织物的手感评价是十分有效的。
The low fuel regression rate in hybrid motor is the principal factor affecting the application of the motor.
固液混合火箭发动机的燃面后退速率低是制约该类发动机应用的主要因素。
The insufficient place of sports service expense is the principal factor that restricts college students 'sports service expense.
缺乏体育劳务消费的场所是制约大学生体育劳务消费的最主要因素。
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