The current at the channel base is specified, and use two time constants can get the much better shapes than single time constant.

模型对于特定的雷电通道底部电流，采用了汉时间常数，取得了比单时间常数更好的拟合效果。

youdao

The "mantle plume" thus formed, once established, continues to channel hot material from the mantle base until the reservoir is emptied.

这样形成的“地幔柱”一旦形成，就会继续从地幔底部引导热物质，直到储层被排空。

youdao

The formation of the channel is initiated when electrons surge from the cloud base toward the ground.

当电子从云层底部涌向地面时，通道就开始形成了。

youdao

The growth of internet shopping and relocation of some UK companies to take advantage of the relief prompted some to criticise the Channel Islands as a base for the "exploitation" of the system.

BBC: Packages being sorted before posting

After explaining the basic process by which mobile phones authenticate then get an open channel on a GSM base station or network tower, the Grugq then offered up a series of ways that this process could be thwarted.

FORBES: Cell Phone Snooping: Cheaper And Easier Than Ever

The challenge is that sustaining growth and innovation through acquisition is good when the goal is to address real customer problems but not when the goal is the more cynical goal of merely selling yet another product through an existing sales channel to an existing customer base.

FORBES: Sales Pressure Cloud Hype