Dennis is mix blood with Chinese and Kazakh.
丹尼斯老师，中外混血。
Language: Kazakh is the official language. Russian is widely spoken also.
语言：哈萨克语为官方语言，通用俄语。
The Kazakh crew had disobeyed instructions, and neither airplane was equipped with collision-avoidance technology.
哈萨克机组人员违反了指令，而两架飞机上都没有配备防相撞技术。
The Kazakh crew had disobeyed instructions, and neither airplane was equipped with collision-avoidance technology.
哈萨克机组人员违反了指令，而两架飞机上都没有配备防相撞技术。
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