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老鼠计算机鼠标LOGOThequeenhaswingsforatime
There is a universal tendency of every body to move towards every other body. 每个物体都要向其他任何一个物体移动,这是一个普遍存在的倾向。 They said the deep water under the layer of ice apparently is kept from freezing by the radioactive decay in the planets rocky interior, plus heat from the tidal forces of Jupiter’s gravity as well as sunlight. 他们说,冰层下的深水不至于冻结,看来是由于行星岩层内部的放射性衰变,加上木星重力引起的潮汐力和太阳光照产生的热量。 3. Extensive use of the passive voice In order to achieve objectivity, passive voice is extensively used in EST, as shown in the following illustrations. People get natural rubber from trees as a white, milky liquid, which is called latex(橡胶). They mix it with acid, and dry it, and then they send it to countries all over the world. 人们从橡胶树中获得天然橡胶。这是一种叫做“乳胶”的白色乳状液体。人们先将橡胶与酸混合在一起,将其烘干,然后再运往世界各国。 No convincing signs of plant or animal life have been detected by instruments soft landed on Mars. 在火星上软着陆的仪器目前还没有探测到任何令人信服的动植物生命迹象。 No work can be done without energy. 没有能量绝不能做功。 All business decisions must now be made in the light of the market. 所有企业现在必须根据市场来作出决策。 4. More non-finite forms of the verb 动词的非谓语形式 None-finite forms(非限定形式) of the verb, namely, the infinitive(不定式词), the gerund(动名词), the present and the past participles are frequently used in EST. Today the electronic computer is widely used in solving mathematical problems having to do with weather forecasting and putting satellites into orbit. 今天,电子计算机广泛地运用于解决一些数学问题,这些问题与天气预报和把卫星送入轨道有关。 5. Different uses of the tenses In general English, the past tense is used to indicate things of the past that no longer exist now. But in scientific English, the past tense may just indicate time sequences. When steam is condensed again to water, the same amount of heat is given out as was taken in when the steam was formed. 当蒸汽机重新冷却为水时,所释放出的热量与其原来形成蒸汽时所吸收的热量相等。 If we invert the sequence, there is no need for the past tense. When water is evaporated into steam, heat is taken in. When it is condensed again to water, the same amount of heat is given out.
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