| 释义 |
tachograph|ˈtækəʊgrɑːf, -æ-|
[f. Gr. τάχο-ς speed + -graph.]
A device in a motor vehicle for recording its speed, travel time, and other information automatically.
[1903Nature 26 Nov. 95/2 On the use of the Schrader tacheograph in hydrographic work.] 1909Cent. Dict. Suppl., Tachograph, a recording tachometer applied to shafting or wheels to register rotation-speed; a speed indicator. [With reference to prec. source.] 1941F. D. Jones Engin. Encycl. II. 1258 Some of these recording tachometers or tachographs have a dial in addition to the recording charts. 1968Guardian 1 Oct. 5/2 Road tanker drivers..are protesting against the proposal..to install a tachograph in lorries—a device which records speeds, length of time taken on journeys, and periods when the vehicle is stationary. 1976Citizen (Ottawa) 8 Jan. 1/6 The 10 ambulances in Ottawa are equipped with a tachograph that records the speed of the vehicle. 1980Times 24 Jan. 2/3 The Road Haulage Association acknowledged last night that the tachograph, which records speed, mileage travelled, stopping time and the use of brake and accelerator, could open the way to productivity deals if drivers could show that they were operating more efficiently. |