（） are commonly used in mechanical-hydraulic governor（调速器） to sense engine speeds.

[单选题] Ethernet is the commonly used local area network communication protocol. The standard of Ethernet is __(72)__.（72）A．IEEE 802.1 B．IEEE 802.2 C．IEEE 802.3 D．IEEE 802.11

[单选题]The most commonly used locking level in implementing concurrency control is at which of the following levels?A．databaseB．tableC．recordD．field

[单选题]In a commonly used fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.A . a service tankB . a settling tankC . an expansion tankD . a double bottom tank

[多选题]The documents commonly used in carriage of goods by sea are （ ）.A.bills of

[多选题]The documents commonly used in carriage of goods by sea are （ ）.A.bills of

[多选题]The documents commonly used in carriage of goods by sea are （ ）.A.bills of

[单选题]The most commonly used tool of the Fed to control interest rates is:A.The d

[单选题]A schedule is commonly used in projectplanning and project portfolio manage

[单选题]An analyst collects data relating to five commonly used measures of financi

[单选题]In grammar practice, substitution and__________ drills are most frequently