左右

It is likely to occur in people aged from 30 to 50, mostly around 45, but rare in young people.

很可能发生在30岁到50岁的人群中，大多数在45岁左右，但在年轻人中罕见。

At about 510℃, the β phase film begins to agglomerate.

在510℃左右，β相薄膜开始产生缩聚。

Objective: To investigate the effect of four kinds of inactivation methods on the activity of soybean agglutinin.

大豆凝集素(soybean agglutinin， SBA)是大豆中最主要的抗营养因子之一，含量高达蛋白质总量的10%左右。

There is neither CaSO3's aggradation nor CaSO4's aggradation under the best pH condition of 6 and 5 differently, and 15 of L/G.

上段pH值为6、下段pH值为5、L/G在15左右的脱硫效率和运行工况最佳，无结垢现象发生。

Moldova is a predominantly agrarian country, agricultural production value of its gross domestic product of about 50%.

摩尔多瓦是一个以农业为主的国家，农业产值占其国内生产总值的50％左右。

To improve the purple soil storage capacity, to prevent soil erosion in hunan province, the choice of HengYangXian 20o purple soil slope, setting Guan waste land, grassland, natural forest and grassland and agrimony slight composite 4 processing, the water treatment performance and its mechanism, and the results show that, compared to the purple soil LuoDe HuangShanPo ground implement agrimony and three-dimensional planting trees for 1-2 years later, reduce soil bulk density 0.10 g/cm3 0.09 ~, soil porosity, permeability of soil moisture 14.01% increase rate increase 2.20 ~ 2.29 times.

为提高紫色土蓄水能力，防止水土流失，在湖南省衡阳县选择20o 左右的紫色土荒山坡地，设置祼地、自然草地、龙须草地和龙须草与林地复合4 个处理，比较分析各处理贮水性能及其改良机理。结果表明，与裸地相比，在紫色土荒山坡地上实行龙须草与林木立体种植1～2 年后，土壤容重降低0.09～0.10g/cm3，土壤总孔隙度增加14.01%，土壤水分渗透速率提高2.20～2.29 倍。

The Imago Mundi of Pierre d' Ailly was a comprehensive world geography composed around the year 1410, before Ptolemy's Geography had been rediscovered by Western Europe

皮埃尔·德·阿伊利的《世界的形象》是一部综合性的世界地理学，写成于西欧重新发现托勒密地理学以前，时间在1410年左右。

Based on the temperature and humidity control air-conditioning system, this paper proposes the concrete scheme which recyclies the heat dissipation of the condenser part of air cooled heat pump unit to regenerate solution and proves the energy-saving effect.

基于温湿度独立控制溶液除湿空调系统，作者提出回收利用风冷热泵机组的冷凝器部分散热用来进行溶液再生的具体方案，并进行了节能效果的论证，发现再生器中消耗的热量可以节省15%左右，节能效果显著。

After reading the same way to return to the moon, the air corridor, with a total take time (5 hours) or so in the future in order to continue to facilitate the return On the first day to live the rest dinner!

看完后原路返回去一步登天，空中走廊，总需要时间(5个小时)左右，，以后为了方便继续回到第一天住的地方吃晚饭休息了！

Experimental results indicate that the effect of air curtain to prevent smoke diffusion is remarkable as the volume ratio of air-smoke is about 0.6, the jet angle is between 25° and 35°, and the jet thickness is between 25 mm and 45 mm.

实验结果表明，当空气幕流量与烟气流量之比为0.6左右，空气幕射流厚度在25-45 mm且射流角度在25°-35°之间时，空气幕对烟气能起到很好的阻隔作用。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。