课 159: 测量单位 |
Lesson 159: Units of Measurement |
Australia uses the metric system for most quantities. 澳大利亚对大多数数量使用公制。 |
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no multiplication (1) 没有乘法 |
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Here are lists of different types of measurements and how to say and write them correctly. 以下列出了不同类型的测量以及如何正确表达和书写它们。 |
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Area, square metre (= 1m x 1m), hectare (ha = 100m x 100m). 面积、平方米 (1m x 1m)、公顷 (ha = 100m x 100m)。 |
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Time, second (s). Examples: microsecond (us = 0.000001s), millisecond (ms = 0.001s). 时间,秒。 示例:微秒 (us = 0.000001s)、毫秒 (ms = 0.001s)。 |
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Energy, joule (J). 能量,焦耳 (J)。You won't hear this word often, because there are other units of energy. 你不会经常听到这个词,因为还有其他能量单位。 For example, the calorie (cal) and kilocalorie (kcal), which is 1000 calories. 例如,卡路里(cal)和千卡(kcal),即1000卡路里。 |
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Speed, km per hr, also written kph or km/hr. 速度,公里每小时,也写作 kph 或 km/hr。 |
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Computer storage, byte (also B). 计算机存储,字节(也称为 B)。 |
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There are older "imperial" units which many Australians still use, coming from an English heritage. 许多澳大利亚人仍在使用来自英国遗产的较旧的“帝国”单位。 They are still preferred units in the United States. 它们仍然是美国的首选单位。 |
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power: horsepower, (hp or HP = 746 W) 功率:马力,(hp 或 HP= 746 W) |
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length: inches (in = 2.54 cm), used for TV screen diagonal measurement 长度:英寸(in=2.54厘米),用于电视屏幕对角线测量 |
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weight: pound (lb) = 0.455 kg 重量:磅 (lb) = 0.455 千克 |
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