谢谢你啦，分析资料很棒！
我顺便查了一payload
英文定义：
1: the load carried by a vehicle exclusive of what is necessary for its operation
especially : the load carried by an aircraft or spacecraft consisting of things (such as passengers or instruments) necessary to the purpose of the flight
2: the weight of a payload
中文翻译：
payload属于名词意思有：有效载荷（卫星或航天器携带的仪器设备等）；收费载重（船舶、飞机等的收费运载量，如乘客、货物而不包括燃料）；（炸弹或弹头的）的炸药量。
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