中国每年将10%的观测时间（约450小时）交给其他国家的科学家。
China is giving 10% of its observation time, around 450 hours a year, to scientists from other countries.
而后一种只在观测时间内能看到许多双星轨道才有效。
The latter is efficient only when many binary orbits are visible during the observation time.
我们的搜索所使用的数据集覆盖了5分钟的观测时间。
Our search is using data sets covering 5 minutes of observation.
对于获得更新更大的8米级望远镜或者哈勃太空望远镜的观测时间仍具有挑战性。
Obtaining observing time on one of the newer, more powerful 8-meter telescopes or on the HST was, and remains, more challenging.
目标运动的基本假设是在一段观测时间中保持常速度，并有随机速度扰动。
A basic assumption concerning source motion is to consider it to be of constant velocity with random perturbations over the observation intervals.
黄道光是位于日地间尘埃微粒的反射光，最佳观测时间为日出前、日落后。
The zodiacal light is sunlight reflected by dust particles between the Sun and Earth, and is best seen close to sunrise or sunset.
为避免温度对观测成果的影响，沉降观测时间选择在上午进行，不宜选择在中午；
We can choose the Monitoring time in the morning not at the noon to avoid the effect of temperature on the observation results.
然后，重复这个过程，使每一次都更接近实际震中心，并且更能与观测时间相契合。
You can make a tracing of the scale and move the earthquake on the map until the tentative travel times match the travel times from the scale. Where do you think the earthquake was?
针对这一特点，研究了加入卡尔曼滤波后频偏及观测时间长度对定时系统性能的影响。
Then influences of frequency offset and observation interval on symbol timing recovery system under this circumstance were studied.
然后不断重复，使每一次都更接近实际地震中心，并且使假设时间与观测时间更符合合。
Then repeat this procedure, each time getting closer to the actual earthquake location and fitting the observed times a little better.
为达到实时应用的效果，本文利用了差分定位方式，对应的观测时间就可减少到1分钟以内。
In differential mode, the effects of both SA and ionosphere are substantially removed, and the correlation time is reduced to about 1 minute.
观测时间是保持质量测量单元(734)所测得的通信质量的预定测量准确度所需要的时间。
The observation time is the time period, which is required for that the communication quality to be measured by the quality measurement unit (734) is kept at a set measurement precision.
此外，通过例子说明了该理论中所要求的观测时间是不可改进的，观测量的个数也是不可减少的。
Moreover, certain examples are illustrated to show the sharpness of both the exact observability time and the number of the observed values.
研究观测时间的选择对基线精度的影响，对合理安排GPS网复测和提高工作效率有一定的借鉴意义。
The influence of the selection of observation time on baseline accuracy is studied, for appropriate arrangement for repetition measurement GPS network and raising work efficiency.
结论大鼠全脑照射后早期大脑ng2和O4表达增加，少突胶质前体细胞增多，并且和观测时间相关。
Conclusion the increase in early expression of NG2 and O4 and the number of oligodendrocyte precursor cells after whole brain irradiation of rats is related to the observation time-point.
前一种通过近似的双星轨道对时间延迟进行修正，只在观测时间远小于双星系统的轨道周期时才有效。
The former correct for the varying time-delays by using an approximation of the binary orbit which is valid only if the observation time is much less than the orbital period of the binary system.
这是由地球大气层顶部冰晶体折射太阳光而形成的，观测时间一般为日出或日落时，即太阳接近地面时。
It is caused by the reflection of sunlight from ice crystals and is most often observed at sunrise or sunset when the sun is low to the horizon.
为解决目标跟踪精度与观测时间间隔的矛盾，提出了一种基于目标状态估计协方差控制的观测时间确定算法。
To solve the contradiction between target tracking accuracy and observation interval, an algorithm of calculating observation time based on target estimate covariance control was presented.
从它们感应器件和测值原理的不同、观测时间的差异、天气条件的影响等方面，分析了观测记录差异形成的原因。
The cause analysis of the observation difference is made from their difference in sensor pieces and detecting principle, observation time, weather condition etc.
当对导航精度要求较高时，轨道越高，尤其在高轨道类型中，应尽可能的选择精度高的敏感器以及尽量长的观测时间。
When navigation accuracy is highly expected , the sensor with higher accuracy should be chosen and the observation time should be longer , especially in high - altitude orbit.
应用基于邻近点的非线性自适应预测模型验证了观测时间序列存在数据缺损时的预测效果，并提出了相应的解决办法。
We exploit the above prediction model validate effect while there are omitted data in observed time series and propose the corresponding resolve.
结论：氯化锂毛果芸香碱致疒间大鼠早期大脑ng2和O4表达增加，少突胶质前体细胞增多，并且和观测时间相关。
Conclusion: the early phase expression of NG2 and O4 and the number of oligodendrocyte precursor cells in the brain of epileptic rats increase and relate to the observing time-point.
吸烟70天组烟后，在所观测时间点内，血清IL-8的浓度持续升高，未见肺组织病理炎症反应减轻，且持续加重；
Concentration of IL-8 in passively smoking for 70 days group continued to rise, and so as the pathological inflammation score of lung tissue at all the observation time point;
即使天文学家们隐约地意识到爆炸即将来临，他们仍然必须安排观测时间，或者不得不去疯狂地搜寻处于合适观测位置的可利用望远镜。
And even if astronomers have some inkling that an explosion is imminent, they still must arrange observing time or frantically search for an available telescope in proper position.
时间取样：减少了观测时的事件消耗，因而可以增加精确性。
Time sampling Reduces the amount of time spent in observation and thus may increase accuracy.
时间取样：减少了观测时的事件消耗，因而可以增加精确性。
Time sampling Reduces the amount of time spent in observation and thus may increase accuracy.
应用推荐