高度地

Tropical forest is wetter and usually supports only knee-high fires that spread slowly through the understorey.

热带森林则较为潮湿，通常只能使火烧到及膝高度，并缓慢地在下层植物。

F. bandwidth, AF gain, BF0 pitch, fast or normal AVC, manual RF gain, and Drake's highly effective series gate noise blanker.

F.带宽、AF益,BF0程度、斋戒或者常态AVC，人工射频益和公鸭高度地有效系列门谣传比较。