在这种情况下，铀铅定年法被用来确定样本中一半的砂岩是在阿巴拉契亚山脉花岗岩形成的同时形成的。
In this case, Uranium-Lead Dating was used to establish that half of the sandstone in the samples was formed at the same time the granite in the Appalachian Mountains was formed.
举例来说，过去两个月铜价已经下跌了23%，这一定程度上是因为人们担心中国对该种金属的消费——今年中国的铜消费已下降逾一半。
Copper prices, for example, have fallen 23 per cent in the past two months, partly on fears over Chinese consumption of the metal, which has fallen by more than half this year.
法兰盘的高度应该有半英寸，以确保水箱总能存有一定的水，使黑色塑料膜不至于熔化。
The flange also ensures that there will always be some water left in the tank (about half an inch) to prevent the black plastic from melting.
超过一半的美国人在80岁前都会得一定程度的白内障。
More than half of Americans will have developed some degree of cataracts by age 80.
剑桥能够从华为采购到数字录像机设备，所支付的价格是从摩托罗拉采购同样设备的一半，同时，还能获得一定的利益，可以和更大的有线电视公司竞争。
Cobridge can buy digital videorecorder equipment from Huawei for about half what it would pay Motorola for similar gear and still get enough bells and whistles to compete with bigger cable companies.
不过联想并不是通过分月付款形式，而是允许消费者以购买一定的上网时间去支付一半的电脑价款。
Instead of yoking customers to monthly payments, it allows them to pay for half of the computer by buying minutes of Internet access as and when they can afford them.
这个国家一半是有意识地，另一半是乘着经济成长的顺风在解决这些问题上取得了一定的成果。
The country is making some headway against its problems, partly by design and partly thanks to rapid growth.
科学家们对人类在选择另一半之前会潜意识地估测对方以便找到性格相合的伴侣这点有一定的了解。
Scientists have long understood that human beings subconsciously assess each other for desirable characteristics before they form a partnership.
我想要跟您确认一下您在我们这儿定的餐位。您订的是明天六点半晚餐的12人座。请问目前有变化吗？
I'd like to confirm your reservation with us. You have booked a table for 12 for dinner tomorrow at six thirty. Has there been any change?
据推测，即使这些水果和果汁的营养价值相似，同一食物的半固体状态和液体状态有一定区别也是有一定事实依据的。
It speculates that, even if the nutritional values of whole fruit and fruit juice are similar, the difference lies with the fact that one food is a semi-solid and the other a liquid.
然而，欧文在纽卡已经度过了三年半的岁月，对那里也已经产生了一定的感情。
However, Owen has developed an affinity with Newcastle and its fans during his three-and-a-half years on Tyneside.
为了能够区分偶然攻击与恶意篡改，半脆弱水印需要对一般的内容保护图像操作有一定的鲁棒性。
In order to differentiate incidental attacks and malicious attacks, semi-fragile watermark must be robust against content-protection image processing.
如果我用爱你一半的心来学习，一定成学霸。
If I used to love you half of the heart to learn, must become a learning tyrants.
一年半之后，我感觉到了上天的召唤，知道我一定得回到霎哈嘉瑜伽。
One and a half years later I felt the call of the Divine and knew I just had to get back to Sahaja Yoga.
研究将需要一定的时间，但是科学家希望最终能够解释我们的宇宙最初形成时的情景，并解释残缺另一半的宇宙的奥秘。
The research will take time, but scientists hope it will eventually explain what really happened during the first moments of our Universe and reveal the mystery over what became of its other half.
注水开发油田累计产水量和累计产油量存在一定的相关性，在半对数坐标上呈近似直线关系。
There is a correlation between accumulated water production rate and accumulated oil production rate, which is a linear relation on semilog coordinate.
下面我们大盘点一下，看看剧中女主演们的韩式半永久定妆造型。
Below we have a big point, look at the female stars starring semi permanent makeup styling.
她们一定很累了，因为到到最后，差不多一半人的都在软绵无力的摇曳她们的胳膊和脚了。
They must have gotten tired because towards the end half of them were limply shuffling their feet and arms.
这些层面保持一定的能量和地球上载将给整个地球半热带气候。
These layers keep certain energies contained on Earth and will give the whole planet a semi-tropical climate.
指出在一定半顶角下设计的“标准”整体流料仓，只适用于很小一部分粉体物料。
The'standard' massive flow silos designed with certain half vertex angle was only suitable for a little part of particulate solid.
研究提示临床超声诊断瓣膜返流时，在返流速度范围较小的条件下，彩色多普勒返流面积具有一定半定量诊断意义；
The study indicated that in the clinical application of color Doppler valve regurgitation, color Doppler jet area has a certain semiquantitative value with a small range of jet velocity.
三刀刃综合经驱动器螺旋桨展开之间的两半，其翻盖式枢纽的地位和初步的叶片角度定。
The three bladed Warp Drive composite propeller was mounted between the two halves of its clamshell hub and the initial blade Angle was set.
结果对进一步研究半主动分支电路有一定的参考价值。
The result is available for the further study on the semiactive shunted circuit.
数值算例说明指数稳定的半负定矩阵条件和控制器设计方法是可行的。
Numerical examples show that the negative semi-definite matrix condition of exponential stability and the controller design method are feasible.
本文研究了半线性波动方程在非线性项和初值满足一定条件下解的存在性。
This paper studies the existence of solution for a semilinear wave equation under the nonlinear term and initial value satisfying certain conditions.
本文研究了半线性波动方程在非线性项和初值满足一定条件下解的存在性。
This paper studies the existence of solution for a semilinear wave equation under the nonlinear term and initial value satisfying certain conditions.
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