数据电路终接设备 DCE ; data circuit-terminating equipment
数字数据电路 DDN
数据电路设备 data circuit equipment ; DCE
数据电路端接设备 DCE ; [计] data circuit terminating equipment ; Data Circuit Eqiupment
数据电路终端设备 Data Circuit Terminal Equipment ; data circuit-terminating equipment ; DCE ; data circuit equipment
级联数据电路 tandem data circuit
数据电路交换系统 data circuit switching system
或数据电路终端设备 Data Circuit Terminal Equipment
数据电路暨数字调制解调器(dsu)由本公司供租与维护。用户终端设备(CPE)由用户自备与维护。
Data Circuit and Data Service Unit (DSU) are provided and maintained by CHT while the customer Premises Equipment (CPE) is provided and maintained by the customer.
实时时钟电路（X1228）被用作里程表，数据存储器和车速表中的警报。
A real-time clock circuit(X1228)is applied to be an hourmeter, data memorizer and alarm in speedometer.
问题是，用来制造逻辑电路的晶体管中保留着它们的电子态，因此当这些晶体管通电的时候，它们会包含任何可能的数据。
The problem is that the transistors used to make logic circuits hold their electronic state, and therefore any data they contain, only when powered up.
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