平均时间

By using the 8 km NASA/GIMMS half-monthly composite NDVI data and climate data in 1982-2003, this paper studied the dynamic changes of the annual mean value and accumulation anomaly of NDVI on the north foot of Yinshan Mountain, as well as the time series relationships of annual mean NDVI with annual mean temperature and annual precipitation.

利用1982-2003年8kmNASA／GIMMS半月合成的植被指数数据和同期气候数据，分析了阴山北麓地区农牧交错带的NDVI年平均值、年累积值距平的动态变化以及NDVI年平均值与年平均温度和年降水的时间序列相关关系。

Heat and time adjustment of spot welding process are made through the best fusion arithmetic adapting combined,average and decision-making methods.

采用结合法、平均法和决策法相结合的最优融合算法，实现了点焊过程热量调节和时间调节。

The last time I was there he introduced me by saying, I want to tell you why I let Jack use my house. It all goes back to a story about a young man who was the son of an itinerant horse trainer who would go from stable to stable, race track to race track, farm to farm and ranch to ranch, training h

假定你现在35岁，按照北京人的平均预期寿命80岁计算的话，还有45年的时间，一共是16425天，每天扔掉100元，你这一生也就扔掉160多万，这个数字不过是北京一套房子的钱，但是你会心疼得不得了，绝对不会干这样的蠢事。

Dental hygienists earn an average of $64,740 and enjoy a relatively "clean" job fostering good oral hygiene by scraping teeth, applying fluoride or sealants, and sometime taking and developing X-rays. Perks often include flexible hours; more than half of all dental hygienists work part time.

牙医 牙医的收入平均64740美元和享受一个相对&干净&的工作，刮牙齿，应用氟或密封剂，和一段时间考虑和发展X光检查来培养良好的口腔卫生。

ETc was measured by the plastic lysimeters (diameter 10.9cm, depth 50cm). Meteorological factors, including temperature, relative humidity, sunshine duration, wind speed and solar radiation, were used to establish the moderate prediction of ETc.

期间配合温度、相对湿度、日照时间、全天日射量及平均风速共五项气象因子观测，藉以探讨草地蒸发散量与各气象因子间之关系，提出合适可靠之蒸发散量推估方法，供日后草地经营管理之依据。

The method of anesthesia is safe and effective , which there is stable anesthesia and operating process, mild influence on the system and quick postoperative recovery .

结果 该麻醉方法对呼吸循环抑制轻微，术中动脉压和心律平稳；术后清醒时间10～45min，平均27min清醒；不躁动，无1例发生明显的不良反应。

Objective To establish a gas chromatographic method with carbon disulfide desorption for benzene ,toluene and xylenes in time-weighted averageconcentration in the workplace air.

目的 建立工作场所空气中苯系物的时间加权平均浓度气相色谱测定方法。

The survey of 1,000 people found participants average six hours and 40 minutes of sleep a night on weeknights, even though they estimated they'd need roughly another 40 minutes of sleep to be at their best.

有1000名参与调查的人们中平时的平均睡眠时间为六小时领四十分，可是人们估计自己大概还需要多再睡40分钟才会感到最合适。

The subjects of this study are 11 male high school tuggers(16.8±0.99 year old, 171.59±3.18cm, 70.14±2.65kg, trained for more than 2 years and having used the plyometric strength training machine of Tug-of-war for 8 weeks). We collected the related parameters of Defend Fast Break, and Attack Fast Break before and after the training for our study and tested it by " pair-data sample t test ".

研究的对象为11名优秀高中男子拔河选手，平均年龄16.8 ± 0.99岁；身高171.59 ± 3.18 公分；体重70.14 ± 2.65公斤；训练经历二年以上，并利用拔河增强式肌力训练机进行为期8周的增强式肌力训练，以拉力计（采样频率为600Hz；采样时间为5秒）收集个人分别在训练前、后防御起动步与攻击起动步之的拉力曲线相关参数，作为本研究之研究范围，并以成对样本t考验进行考验（α=。05）。

Arts students may well find that their official contact with teachers is less than this average,while science and engineering students may expect to be timetabled for up to 20 hours per week.

由此可知，理工科学生每周平均20小时，而文科学生仅为15小时，即理工科类学生需要学习的时间更长，课程要求更高。故答案选C。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。