This paper introduces a method and the result by the use of the regression analysis method to establish helicopter group weight formulae.

本文介绍了利用回归分析法建立直升机部件重量公式的方法和结果，并用子样外的几种中、小型直升机作了校核验算。

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This paper introduces a method and the result by the use of the regression analysis method to establish helicopter group weight formulae. A check has been made using some helicopters except samples.

本文介绍了利用回归分析法建立直升机部件重量公式的方法和结果，并用子样外的几种中、小型直升机作了校核验算。

youdao

The group today sent its helicopter out to search for Japan's whale processing ship, while other Sea Shepherd members were frantically removing fuel and other pollutants from the sinking Ady Gil.

“海洋守护者”组织今天派出了直升机前去搜寻日本的捕鲸加工船，其他“海洋守护者”成员正疯狂地将被撞沉的“艾迪吉尔号”上的燃料和其他污染物清除掉。

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Monday, a 30-strong Apache helicopter group was met with a "wall of gunfire" near Karbala, and several choppers were hit.

CNN: Euphrates battle may be biggest so far

Bob Keiller, chairman of the Helicopter Task Group, said they were keen to listen to anyone who could help safety.

BBC: Call for helicopter safety summit

The move to allow some aircraft to fly again was agreed at a meeting of the oil and gas industry's Helicopter Safety Steering Group in Aberdeen on Thursday.

BBC: Nine Super Puma helicopters flying again after ditching