In power transmission: the gearing selection which produces the lowest top speed in proportion to that of the motor.
| 单词 | θ201513 |
| 释义 | society > travel > means of travel > a conveyance > vehicle > vehicles according to means of motion > vehicle moving on wheels > [noun] > parts of vehicle moving on wheels > gear > specific gear (11) bottom gear?1865 In power transmission: the gearing selection which produces the lowest top speed in proportion to that of the motor. high gear1889 a gear in which the ratio between the speed of rotation of the driving mechanism of a vehicle and that of the driven wheels is large, so that an… low gear1895 a gear in which the ratio between the speed of rotation of the driving mechanism of a vehicle and that of the driven wheels is small, such that… fourth1900 The fourth forward gear of a motor vehicle. second gear1902 the gear next above the lowest or bottom gear on a motor vehicle or bicycle. first gear1907 the lowest in a set of gears on a vehicle, used when travelling very slowly; also figurative with reference to slow or initial progress (cf. low gear… second1907 = second gear n. at compounds 1. first1909 As a count noun. The first or lowest gear on a motor vehicle or bicycle. second speed1912 = second gear n. high1914 = high gear n. at compounds 4. Frequently in in (also into) high. Cf. low, n.2 9. low1914 = low gear n. at compounds 3. Usually in in (also into) low. |
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