请教,这句怎么翻译?

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查看: 229|回复: 2| 发表于 2017-10-8 20:14:42 | 显示全部楼层 |阅读模式|
There is very little
empirical data and evidence outside the report of Coleman [1], together with research
commenced by a select few research and development departments at universities
across the world that identify the optimum conditions of co-axial rotor systems,
especially at the SUAV scale。
这句的结构和中文意义请讲解一下
特别详解一下 that identify the optimum conditions of co-axial rotor systems中的that是指谁?

发表于 2017-10-14 11:52:55 | 显示全部楼层
that identify the optimum conditions of co-axial rotor systems是empirical data and evidence outside the report of Coleman [1], together with research...的同位语从句
发表于 2017-12-27 15:38:52 | 显示全部楼层
that identify the optimum conditions of co-axial rotor systems中的that是指empirical data and evidence, together with research
除了科尔曼[1]的研究报告之外,关于同轴转子系统(特别是小型无人机尺度下)最佳条件的经验数据和证据寥寥无几,世界各大学中的研发部门所做的相关研究也是凤毛麟角。
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