请帮我分析下句中, leaving 的用法和意义,以及这句话的含义,谢谢。
Here a flat-plate, fixed solar collector at the best average tilt angle toward the south will often suffice, leaving only small efficiency improvements to be achieved by the fairly costly tracking or concentrating methods.
leave: cause or allow (sb/sth) to remain in a certain condition, place, etc 使或让(某人[某事物])处某状态﹑ 某地等: Leave the door open, please. 让门开着吧. Don't leave her waiting outside in the rain. 别让她在外边雨中等着. // To cause or permit to be or remain attainable: 允许:使或允许得到或保持得到:left myself plenty of time. 给自己充裕的时间
(后一个释义似乎更好点)
题目句子中的 leaving - 表示结果
翻译就请你自己先尝试一下。