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- It is said that James Watt's observation of steam issuing from a kettle gave birth to the idea of the steam engine. 据说，詹姆斯·瓦特对水壶蒸气的观察使他产生了发明蒸汽机的想法。
- Divination by the observation of water. 水占术通过观察水来预言
- The observation of nature is important in science. 在科学中，观测自然是很重要的。
- Pollen morphology observation of Pyrus L. in China. 我国梨属植物花粉形态观察.
- observation of precursor 前兆观测
- Acute observers of the human comedy. 对人间喜剧敏感的观察者们
- The worker was praised for his observance of the rules. 这个工人因为严格遵守规则而受到了表扬。
- Her interest in natural history was confined to observation of the crow's feet gathering round her eyes. 她对博物学的兴趣，只限于观察聚集在她的眼尾周围的“鸦爪”。
- The driver is a poor observer of speed restrictions. 这个司机是个不遵守速度限制的人。
- Careful observation of the infusion site is necessary. 必须仔细观察输液部位。
- Observation of and divination from the actions of birds. 占卜通过观察鸟类的行为发现未来事物的预兆
- Placental/umbilical cord blood is a rich source of precursor cells capable of differentiating into mature blood cells. 造血干细胞能分化为不同类型的成熟血细胞，可以给血液肿瘤病人如白血病患者生成新的骨髓。
- His study is based on close observation of human behavior. 他的研究是根据对人类行为的仔细观察。
- Most dolomite is obviously the result of replacement of precursor calcite but certainly not all. 多数白云石显然是原来方解石交代的结果，但肯定不是全部。
- CTD Divers were installed for observation of groundwater dynamic. 在典型区域的钻孔中安装CTD Diver进行地下水的动态观测。
- The trails show that decreasing appropriately the strength of precursor fiber can effect its flexible index distinctly. 实验表明，适当降低原丝的强度对其柔性指标有显著的影响。
- The astronomers were taking an observation of Jupiter. 天文学家们正在观测木星。
- The state practices the licensing system to the manufacture, trading and transportation of precursor chemicals. 国家对易制毒化学品的生产、经营、购买、运输实行许可制度。
- Observation of clinical on 980 women with pregnancy health care. 孕期保健1340例临床观察
- The Board urges the Governments concerned to compile comprehensive data on their exports of precursor chemicals and to submit them as soon as possible. 麻管局敦请有关国家政府汇编有关其前体化学品出口情况的全面数据并尽快提交。
