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1·The third principal factor is food factor, including distance to deep water mire.

第三个因子为食物因子，包含因子“距重沼泽距离”；

2·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。

3·Thus cell kinetics alteration is the principal factor that influences the effect of radiotherapy.

因此，细胞动力学改变是影响放射治疗效果的重要因素。

4·At lower burnup level, the thermal stress is the principal factor affecting the safety of the rod.

在燃耗初期，裂变热导致的热应力场是影响燃料棒安全性的主要因素。

5·The principal factor method were applied to analyze the main chemical components of the flue-cured tobacco.

应用主因子法对烤烟主要化学成分进行分析。

6·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。

7·The last principal factor is supplement food factor, including distance to shallow marsh, distance to farmland.

第四个因子为应急食物因子，包括因子“距轻沼泽距离”和“距农田距离”。

8·However, because of their failures to discover the principal factor or universal cause, they could not realize their aspiration.

然而，由于他们都未能找到决定历史进程的“首要因素”或“普遍原因”，终究未能实现探求规律的抱负。

9·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。

10·The classification of cultivation measures for spring maize was studied with the principal factor analysis and regression methods.

应用因子分析和回归方法对春玉米高产农艺措施进行了数量分类与寻优。