总平均

This choice is not so arbitrary as it may seem 5 6 9 6 4 8 6 1 2 3 6 7 since a one millimetre rod is machineable and this is also the average diameter of the aforementioned false twisting aggregate spindles.

这个选择并非如此武断的，因为它看起来可能 5 6 9 6 4 8 6 1 2 3 6 7 自1毫米棒是切削这也是平均直径上述虚假扭曲总纱锭。

The results showed that the ET from the marsh had an obvious seasonal variation, with the lowest month-average daily ET in May and the highest one in July. The average daily ET in growth season was 1.94 mmd^(-1), and the total ET was 293 mm.

结果表明：生长季内（5-9月），研究区沼泽湿地蒸散发具有明显的季节变化，月均日蒸散量在5月最低、7月最高；生长季内平均蒸散发为1.94mmd^(-1)，总蒸散量293mm。

At water temperature of 16.0-17.2 ℃, the process of embryonic development could be divided into 24 stages, which were described as follow: fertilized egg at 0 min, 2-cell stage at 75 min post fertilization; myotome forming stage at 43 h PF, and hatching-out stage at 94 h PF when the accumulative temperature reached 1616.8 ℃.h, and the average size of larvae was about 3.8 mm in body length.

梭鲈胚胎发育过程可分为24期，在水温16.0~17.2℃范围内，受精75 min开始第1次卵裂，受精后43 h开始形成器官，受精后约94 h开始出膜；刚出膜的仔鱼全长平均为3.8 mm；从受精到孵化出膜总积温为1 616.8℃。h。

Attapulgite deposits are rare and valuable in the world. Large iodic attapulgite deposits with total reserves of 2 500 million tons were found in central and western Gansu Province. High iodine exists in attapulgite ores. There is about 0.0418% iodine in western attapulgite ore and 0.0425% in central ore, which are almost the same as the iodine content of niter in Chile.

凹凸棒石矿为稀有的非金属矿种，近年来，在甘肃中、西部第三纪地层中发现了大型凹凸棒石矿，矿石总储量可达2.5亿吨，矿石中碘含量较高，西部凹凸棒石含碘约为0.0418%，中部平均含量约为0.0425%，与智力碘硝石的含碘量（0.04%）相当。

During eight hours of sleep, people dream for a total of one and half hours on the average.

在睡觉的八小时，每个人平均做梦的总时间为一个半小时。

The present study investigatated the effect on the diversification of weed community, including weed abundance, dominance, evenness, biomass, and mean height after mulching straw and intercropping white clover in the tea plantation from 2005 to 2006. The results were as follows: 16 families and 31 species were found in total. In April, the dominant species characterized with slow growth, lower biomass, and less than 30 cm height; in July those who grow faster with higher biomass and height became dominant; In September, these malignant communities reduced, while the oxalis and diffusa characterized with lower biomass and low height gradually increased. In the three seasons, the weed abundance, community diversity and evenness increased, and the dominance, the biomass and average height of weeds remarkably reduced after intercropping white clover and muching straw.

结果表明：茶园共有杂草16科31属31种，春季（4月）以生长速度较慢、生物量小、株高在30 cm以下的杂草为主，夏季（7月）以生长快、植株高和生物量大恶性杂草为主，秋季（9月）恶性杂草开始减少，酢浆草、白花蛇舌草等生物量小、株高矮的杂草逐渐增多；稻草覆盖处理茶园春、夏和秋季3个观测时期杂草物种丰富度、多样性、均匀度等指数均高于清耕对照，优势集中性指数低于清耕对照；间种白三叶草处理春、夏和秋季3个观测时期杂草总数量和生物量均显著低于清耕对照，夏、秋季杂草平均株高显著低于清耕对照；稻草覆盖和间种白三叶草处理春季茶芽重和产量显著高于清耕对照，鲜叶中游离氨基酸含量高于清耕对照，茶叶感官评审得分高于清耕对照处理。

They are at least half of average total deposition rates of the adjacent basins in Paleogene.

其剥蚀速率至少占到了毗邻盆地古近纪平均总沉积速率的一半以上。

Only 2-4 ring PAHs were detected in gas phase, and phenanthrene was the most abundant with an average of 55.1% in total PAHs.

结果显示，气相中主要是2-4环的多环芳烃，其中菲为主要的化合物，平均占到总多环芳烃的55.1%。

The time averaged velocities in fluid flow can be measured simply and conveniently by investigating the effect of the pitot tube in supersonic flow.

总压管提供了一种简便快捷的测量流体平均流场的方法，分析其在超音速测量中的影响具有重要意义。

The total and of the pitot tube were measured when the opening of the regulating valve was changed with keeping the flowrate fixed as well as unchanged the opening of the regulating valve with invariable flowrate. Then, the dynamic pressure signals were analysed with the method of PSD after computed and normalized and a better result of frequency-domain distribution was obtained. In addition, the average energy was defined and used for the analyzing of disturbance signals of regulation valve.

首先利用皮托管对相同流量不同开度及相同开度不同流量下的总压及静压信号进行测量，然后经过计算得到动压信号并进行归一化处理；其次，对归一化处理后的动压信号进行功率谱分析，取得了较好的频域分布结果；同时定义了信号的平均能量，并将其应用到了调节阀扰动信号的分析中。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。