时间常数
1. 时间常数:1.2牙龈血流量、血流速度和血浓度的测定 在测定时,先将测定患者牙龈吹干,用LDF-3型激光多普勒血流仪(由天津南开大学研制生产)测定各组的GBF、BCV和BC,所用仪器各参数分别为:时间常数(time constant)0.22s,频率选择(frequency selection)12kHz,
2. 时间常数,时间常量:time base control 時基控制 | time constant 時間常數,時間常量 | time interval 時距
3. 事件常数:throughput 吞吐量 | time constant 事件常数 | time division multiplex 时分多路
1. Comrade Xiaoping kept constant contacts with Nie, so he saw the two brothers at that time.
2. Perhaps it's time to take a look at this constant pressure of examinations, and to think about new methods of seeing how capable someone is.
3. These are static because the market makes constant reference to these levels and the positions of the levels do not change over time.
4. He embodies the spirit of the time - an era of constant change and a search for independent identity.
5. Sunderland manager Roy Keane was a constant thorn in Wenger's side during his time at Manchester United.
6. The last 15 years of his life were a time of constant unrest.
7. Spending too much time in constant and comfortable temperatures lowers the body's resistance to illness.
noun
1. the ratio of the inductance of a circuit in henries to its resistance in ohms
2. (electronics) the time required for the current or voltage in a circuit to rise or fall exponentially through approximately 63 per cent of its amplitude