市内交换中心 Local exchange center
光折射模内交换器 photorefractive intermodal exchanger
市内交换机 local switch board
室内交换系统 house exchange system
羟基酯分子内交换 the hydroxy-ester intramolecular interchange
市内交换局 [通信] local exchange office
国内交换网络 national switching network
共电式市内交换机 central battery local switchboard
数字式市内交换 digital local switching
非常好,下面请同学们在组内交换礼物。
申武投资初期安装了一个热交换器,将进入炉内的空气预热,降低了客户的燃料成本。
Shenwu puts up the initial investment to install a heat exchanger that preheats the air going into the furnace, slashing the client's fuel costs.
在过去的七个月中,该系统加快了遗传材料的交换,在该系统内完成了90000余次植物遗传材料的转让。
Over the past seven months, the system has accelerated the exchange of genetic material, with more than 90 000 transfers of plant genetic material within the system.
So, these are all involved with our ability to maintain homeostasis by exchanging materials with the external environment.
这个过程关乎人体维持内稳态的能力,内稳态通过与外环境进行物质交换来实现
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