时间上的

The results showed that the half of decay time of methyl parathion in Chinese cabbage was 2.91 days.

喷药后，在第零天、第一天、第二天、第三天、第五天、第七天分别取样，用气相色谱法分析测定甲基对硫磷在小白菜上的残留量，得出甲基对硫磷残留量与时间的关系。

First, structure tensor is calculated to gain vector field for characterizing local structure of image. And then, total variation partial difference equation is imposed for smoothing vector field. Based on this we use line integral convolution for guide the stroke to generate virtual special effect image with fluctuant sense. Last, mergering with original real image, cylindrical panorama with virtualized relationship controlled by time can be generated, which accomplished the character of surpass the time and space in virtual reality system.

该方法通过计算结构张量获得图像曲线走向矢量场，以此刻画图像局部结构；并采用全变分偏微分方程对曲线走向矢量场自适应滤波平滑处理；在此基础上利用线积分卷积指导画笔走向模拟生成线条波动感虚化效果图像；最后结合原始真实图像和虚化效果图像，实现了一种基于时间变量的柱面场景虚化关联算法，并为虚拟现实系统超越现实时空的需要提供了一种新思路。

There was a long silence, broken only by the patter of rain on the window.

一阵长时间的沉默，只有雨拍打在窗户上的声音。

Many people, including college students of all ages, spend little time in pursuit of physical fitness.

很多人，包括不同年龄的大学生，用在健身活动上的时间很少。

Statistic analyses of accurate chronological and geochemical data of igneous rocks show that the chronological frames of large-scale late Mesozoic magmatism in the Dabie Mountain and middle-lower Yangtze River belt are the same, with different character of magma and petrogenesis.

年代学资料和地球化学指标的统计表明，长江中下游成矿带与大别山地区晚中生代岩浆活动在时间上是同步的，但二者岩浆性质和成因机制不同。

Can quickly remove the glass on the Bingshuang, saving a lot of time to preheat.

能迅速将玻璃上的冰霜清除，节省大量的预热时间。

Especially, because of curve structure in front of heat pipe air preheater, there is more # c3 z: k Y6 k

然而，在锅炉上的实验肯定要花费很大的人力、物力和时间。

At this point it's time to decide what kind of property that you are interested in buying.

在这一点上的时间来决定什么样的财产，你有兴趣购买。

It is time for exam, but the girl can not find her pen at the moment; she is now all in a pucker .

考试的时间到了，可那女孩一时找不到笔，急得像热锅上的蚂蚁。

Fifty percent of one process may be radically different in time from 50% of the next process .

一个过程的前50%可能与接下来的50%在时间上差别很大。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。