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- time standard material 标准资料
- A time standard necessary to attend a particular meet or event. 出席特定赛事或比赛所必须的规定时间。
- The Hong Kong Time Standard is provided by a caesium beam atomicclock. Accuracy within fractions of a microsecond a day is maintained. 天文台利用铯原子钟，提供香港的时间标准，该钟误差每日不超过一微秒。
- It supports the same kinds of diffuse surface shading that standard material does. 它支持同标准材质同一类型的漫反射表面着色。
- It is standard material for bodies and bonnets of Class 125 and 250 iron body valves. 是作为125磅级和250磅级铁阀体阀门的阀体和阀盖的标准材料。
- The Hong Kong Observatory maintains the Hong Kong time standard and provides time signals for the public. 香港天文台负责维持香港的时间标准,以及提供报时讯号。
- The Observatory also operates the official time standard for Hong Kong, provides basic astronomical information and maintains a seismological monitoring network. 此外，又负责香港标准时间的报时服务、提供基本天文资料和操作地震监测网。
- Using penicillic toxin(citrinin,penicillic acid) from standard material and feedstuff extract,some toxicity mechanism was studied in rabbits and toads. 用标准和从饲料中提取的青霉菌毒素(桔青霉毒素和青霉酸)对家兔、蟾蜍进行了某些毒性机理的研究。
- Of every time standard upgrade or refine, became the proof that people advances to more civilized direction. 每一次标准的升级或细化，都成了人们向更文明的方向进步的证实。
- Standard material has a diffuse shading model that does an excellent job of rendering solid, nonreflective objects such as plastic, ceramic, and so on. 标准材质有一种漫反射着色模式，这对于渲染固体、以及非反射对象，例如塑料、陶瓷等等的效果是极好的。
- Objective:Flavonoids in Dracocephalum heterophyllum was investigated by spectrometric method with rutin as standard material. 目的:采用分光光度法,以芦丁为标准品测定异叶青兰中的总黄酮含量。
- The flavonoids content in seeds of Caesalpinia minax Hance was determinated by use of the color metric method with rutin as standard material. 建立了南蛇勒总黄酮含量测定的分光光度法,研究了黄酮提取的最佳工艺条件。
- The Observatory also operates the official time standard for Hong Kong,provides basic astronomical information and maintains a seismological monitoring network. 此外，天文台又负责香港标准时间的报时服务、提供基本天文资料和操作地震监测网。
- The accuracy of the clock is within fractions of a microsecond a day of the international time standard kept by the International Bureau of Weights and Measures in France. 该钟所报时间与位于法国的国际度量衡局所规定的国际时间标准比较,每日相差不超过一微秒。
- After this standard material, the authors step forward to elliptic functions and to elliptic modular functions including a taste of all most beautiful results of this field. 在这标准材料之后，作者前进给省略功能和给最全部包括一的味道这个领域的美丽结果的省略模函数。
- But the prospects for it as a widely adopted universal time standard are about as good as the frustrated aspirations for Esperanto to become the world's lingua franca. 当年许多人提倡世界语作人类通用语言，可惜壮志未酬。
- The product is extracted by organic solvent and analyed by HPLC, and determined the structure by NMR, the production has the same spectrum as the Nosiheptide standard material. 产物通过有机溶剂提取，用HPLC鉴定，再用核磁共振确定产物图谱与文献报道一致。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
- Time is sometimes called the fourth dimension. 时间有时被称为第四度空间。
- I think the work can be completed ahead of time. 我认为这项工作能提前完成。
