趋势

At the beginning, the paper reviews the history and current states of the development of avionics system.

论文总结和分析了国内外航空电子技术和飞行参数记录技术的发展历史、现状及趋势，探讨了新一代飞机飞行管理记录系统的功能需求。

There's an old trading axiom that "The trend is your friend."

有一句老的格言叫："趋势是你的朋友"。

The percentage of Cyanide, phenol, mercury and chromium which have little effect on water quality is small and the variation tendency is slow. The percentage of Ammoniac azote, TP, TN, Cd, potassium permanganate index and fluoride which have much effect on water quality is big and the variation tendency is great. The percentage of DO, BOD5, petrochemical compounds and lead lies in the mean place between two guidelines above, which plays a normal role in contributing to the water quality of Yuehai, but the variation tendency is obvious.

选取了15个参数作为评价因素，其中，氰化物、挥发酚、汞、六价铬等指标的权重较小，对水质变化的总体影响不大，并且年度变化趋势较平缓；氨氮、总磷、总氮、镉、高锰酸盐指数以及氟化物等指标在阅海湿地水质总体评价中所占比重较大，直接影响水道水质；DO、BOD5、石油类、铅等指标的权重介于上述指标的中间。

With the increase of continuous cropping year, ammonifying bacteria, azotobacter and cellulolytic bacteria showed the tread of first increases and then decreases and reached the biggest value at continuous cropping for 5 and 3 yr, while the nitrifying bacteria quantity was decreased sharply with the increase of continuous cropping year.

随连作年限的增加，氨化细菌、固氮菌和纤维素分解菌数量呈现先增加后降低的趋势，分别在连作5、3和3年达到最大值，而硝化细菌数量随连作年限的增加急剧下降。

Against this backdrop, what is the prospect of the Chinese economy?

在全球金融一体化的趋势下，中国经济前景如何？

Then it also analyzes the policy and tendency of Shanghai overseas talented person backflow.

然后分析了上海市海外人才回流的政策和趋势。

In the experiment design, two methods are put forward to change the background radiation.

结果表明，随着背景辐射的减小，器件的测量噪声亦减小，利用非平衡载流子和器件有效寿命理论对器件的产生复合噪声进行了计算，计算结果与实验结果在随背景辐射变化的趋势上相似。

More than 90% of the total incidence of typhoid and paratyphoid were typhoid previously, as the widely use of Vi bacterin, in the middle of 90s in 20th century, the popular strain changed, in some provinces the cases of typhoid decreased, but that of paratyphoid increased largely, with the outbreak trend from spot to part and from inshore provinces to backland provinces. In recent years, paratyphoid becomes the main infectious diease in some areas, and ofen develop to serious epidemic situation. So setting up a rapid and accurate detecting metod is necessary.

以前我国伤寒发病占伤寒副伤寒总发病的90%以上，后来由于伤寒Vi疫苗的广泛使用，20世纪90年代中期，流行菌株发生转变，我国部分省份伤寒病例逐渐下降，而由甲型副伤寒沙门氏菌引起的副伤寒病例却大幅上升，并呈现由散发到局部暴发，由沿海省份向内地省份推进的流行趋势，近几年来成为我国一些地区传染病突发事件的主要病种，常发展成重大疫情，急需建立快速、准确的诊断方法。

We found that it is the effect of odd-order term of f which describe the total energy collocation between forward wave and backward wave that causes the difference of modulation instability between normal dispersion region and abnormal dispersion region.

第三，根据增益谱的比较，我们从色散关系式中看到了产生这种变化的原因。正是由于存在f奇次项的影响而导致了这种在正常色散区和反常色散区变化趋势的不同。

The quality of source water and drinking water was unqualified, expecially for bacteriological index.

传染病发病情况和流行趋势与全市其他地区基本一致，但存在肠道传染病暴发流行的潜在危险。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。