A、which governs the state of a variable
B、which provides a visual and audible alarm
C、which indicates values of controlled variables
D、which measures the state of the controlled variable
更多“A feedback is an input（）”相关的问题
A、内置波长反馈方式 Built-in wavelength feedback B、外置波长反馈方式 External wavelength feedback C、自动功率控制反馈方式 Automatic power control feedback D、温度控制反馈方式 Temperature control feedback
A、A. The optimizer automatically changes a plan during subsequent execution of a SQL statement if there is a huge difference in optimizer estimates and execution statistics. B、B. The optimizer can re optimize a query only once using cardinality feedback. C、C. The optimizer enables monitoring for cardinality feedback after the first execution of a query. D、D. The optimizer does not monitor cardinality feedback if dynamic sampling and multicolumn statistics are enabled. E、E. After the optimizer identifies a query as a re-optimization candidate, statistics collected by thecollectors are submitted to the optimizer.
A、An IPv6 address is 64 b long and is represented as hexadecimal characters. B、An IPv6 address is 32 b long and is represented as decimal digits. C、An IPv6 address is 128 b long and is represented as decimal digits. D、An IPv6 address is 128 b long and is represented as hexadecimal characters.
A、An IPv6 address is 64 b long and is represented as hexadecimal characters. B、An IPv6 address is 32 b long and is represented as decimal digits. C、An IPv6 address is 128 b long and is represented as decimal digits. D、An IPv6 address is 128 b long and is represented as hexadecimal characters.
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