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On a Pacific beach in Costa Rica, a researcher whispers the number after counting the slimy, round white eggs just laid by a rare leatherback turtle in a hole dug in the sand under bright moonlight.

在哥斯达黎加太平洋海岸上,皎洁的月光映照着沙地,一只罕见的革龟在上面挖洞产卵,一名研究人员数完这些的白色龟卵后,轻声地报出了数字。

At the same time, some factors such as cohesive strength, internal friction angle, slope angle of slide plane, groundwater level and earthquake intensity are analyzed. Different sensitive degrees with assurance factor are obtained. The mathematical models are simulated for them. It supplies the theoretical basis for how to confirm stability of part of slope. This will offer some guidance for the practical engineering.

同时,通过研究聚力、内摩擦角、滑动面倾角、地下水位及地震烈度等影响因素对边坡安全系数的敏感性程度,得到了该边坡工程的主要影响因素,并通过岩体聚力、内摩擦角及地震烈度与边坡稳定性系数的关系曲线分别模拟出了它们的数学模型,对确定边坡某一具体位置的稳定性程度提供了理论基础,具有一定的实际指导意义。

In chapter 3, this paper describes the various models of the passive dampers for analysis and calculation taking account into the precision and other aspects, and points out the Maxwell model is enough to limn the characteristic of the fluid viscous damper under stress in most operating condition; in chapter 4, this chapter. further validates the rationality and advantage employing the fluid viscous damper in practical project and the reliability of the adopted model on the base of referring relevant experiments overseas and their data.

在文章的第三章,着重讨论了基于精确度等方面考虑而建立的被动阻尼器的各种受力分析计算模型,并指出Maxwell模型足以描述在大多数工况下滞阻尼器的受力特性;第四章则是在参考了国外的相关实验及其数据基础上进一步验证了工程上使用滞阻尼器的的合理性和优越性及分析计算模型的可靠性。

In this paper, applying an integral expression of linear viscoelastic theory, several integral equation expressions for obtaining shear modulus G from stress relaxation modulus E{t and bulk modulus K are acquired by using inversion of the Laplace Transform.

本文应用线弹性理论的一种弹性积分变换式,采用拉氏逆变换,导出了由拉伸松弛模量E和体积松弛模量K求解剪切模量G的几种积分方程,并给出了由已知试验数据E和K通过迭代和数值积分求G的数值积分算法。

Now there are some special apparatuses to measure viscosity of liquid, but generally they just have function of measurement and most of them cant communicate with and be controlled by computer.

目前,国内外也有专门测量流体度的仪器,但它们一般仅仅具有测量度的功能,而且大多数不能和计算机相连接并受计算机的控制。

Now there are some special apparatuses to measure viscosity of liquid, but generally they just have function of measurement and most of them can't communicate with and be controlled by computer.

目前,国内外也有专门测量流体度的仪器,但它们一般仅仅具有测量度的功能,而且大多数不能和计算机相连接并受计算机的控制。

CEMENTATION: Contemporary bonding and resin luting techniques are recommended.

接:需使用现代树脂接。

Methods Samples of Cerinate Porcelain Veneers were prepared in different thickness(0.5mm、0.75mm、1.00mm)and different Vita shade(A1、A2、A3).Luting resins of different colors were used to lute these samples on teeth surface with different preparation depth.Colorimeter was used to measure the L*a*b* of the teeth surface without preparation and after covering with Cerinate Porcelain Veneers.

制作不同颜色(A1、A2、A3色)不同厚度(0.50mm、0.75mm、1.00mm)的Cerinate瓷贴面,将其用不同颜色的结树脂固到对应的牙齿预备面上,用测色仪分别测量牙齿预备前及固了Cerinate瓷贴面后牙面的L*a*b*值,比较两者的差异。

Once, the most unusual thing you might find inside a chocolate was a gooey maraschino cherry.

曾几何时,你能在巧克力里一口咬到一个的甜樱桃,就已经是十分特别的口味了。

Methods 20 human biscuspids scheduled to be extracted for the orthodontic reasons were prepared for porcelain fused to matal crown,of which every 2 teeth were from the same patient and the same jaw. The teeth were randomly, blindly and selfcontrolly divided into 2 groups.In the control group:the temporary crowns were cemented with zinc oxide cement.In the testing group:Green Or was applied before the temporary crowns were cemented with zinc oxide cement.

要领 选择因正畸治疗必要而打算撤废的20颗前磨牙举办金属烤瓷全冠牙体准备,其中每2颗牙均为同颌同名牙;授与随机、双盲、自身比较计划分为2组:比较组在牙准备体上直接用氧化锌丁喷香酚水门汀固且则冠;不雅察看组在牙准备体上涂布极固宁TM后用氧化锌丁喷香酚水门汀固且则冠。

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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。

The shamrock is the symbol of Ireland and of St.

三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。