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The research carried out an experiment of extracting water from inland limnetic wetlands using TM remote sensing imagery based on many arithmetic,and concluded that spectrum classification was the best among the area accuracy index,extraction accuracy index and visual effect index,the following was single band threshold and vegetation index method,however,multi-band relationship and water index method was the worst.

研究基于TM遥感影像，运用多种方法针对典型内陆淡水湿地的水体信息进行了提取实验，通过对实验结果的分析得出：在面积的准确性、提取的准确度以及视觉效果3种指标下，光谱分类法较其它方法效果要好，其次为单波段阈值分析法与植被指数法，较差的是多波段谱间关系法与水体指数法；影响提取效果的主要原因是湿地水体提取不够完全，这是由影像的分辨率及湿地特殊的水文条件所造成的，采用像元分解及多源遥感数据融合技术将成为提高水体提取精度的重要手段。

Located at the Sea Ranch on an infill lot, we designed this 1,030 square foot house and 550 square foot guest house to create a threshold in the larger landscape, moving from the contained space of the hedge row to the open space of the meadow.

该住宅坐落在加州海洋牧场一个狭窄的地块上，占地1030平方英尺，其中客房面积550平方英尺，设计师构建了一处大的景观，由树篱围合，中间是开场的草地。

In the cryptography research, the paper also educes a series of singular nonlinear feedback functions which can produce another kind of regular sequences; in the addition, the paper points out the forge signature attack about a kind of threshold digital signature scheme, gives the example and mend measure Secondly, the paper introduces the whole design of the monitoring master, which consists of master and slave principle, modules adopted and the module parameters, circuit diagram designed and so on.

其次，对监控座机的整体设计进行了描述，包括座机系统的工作原理、各个组成部分模块的选择及工作线路设计等，也附带介绍了蓝牙子机设计中采用的工作模式。

The simulation results show that the scheme is more stable in convergence, insensitive to threshold parameters, less on loss and advantageous to the new agent to join the network during emergence of virtual community.

实验表明，该方法具有评价结果稳定收敛，对门限参数敏感度低，虚拟社区形成过程中损失小，有利于新加入节点融入网络的优点。

The combined control consisting of the engine torque control and driving wheel brake control was adopted for the antislip control during driving,while the brake control based on threshold was adopted for the antiskid control during braking.

驱动防滑采用发动机力矩和驱动轮制动的联合控制方式，制动防滑采用基于门限值的制动控制方式。

TheSG3525 internal integration has the 5.1V voltage source (its precision can achieve 5.1±1%V), the double threshold comparator(with the exter connection electric circuit consist of constitution oscillator), the temperature compensation circuit, the over-current protection circuit, two levels of differential amplifiers and so on.

SG3525片内集成有5.1V基准电压源（精度可达到5.1±1%V）、双门限比较器（与外部的接口电路构成振荡器）、温度补偿电路、过流保护电路、两级差分放大器等。

This article tries to analyze the depth and breadth of Chinese modern national character research in theoretical perspective; The theoretical visual angle it chosen is a kind of cultural comparing research macroscopic threshold;"The Chinese question" globalization goes through the historical perpetual flow; Standing on such dynamic platform, this article reveals multi-dimensionality meanings of cultural anthropology, sociology, psychology, politics and ethnology which the question refers to, and analyzes the thinking course of modern people seeking conscious liberation; It resets the national character question into the space which Chinese modern national politic salvation and culture enlightenment exist in to prove the national character's social value; Furthermore, it opens up and develops the profoundly influencing inertia, which is implicated in the generation's considering, inheriting, criticizing and innovating, thereby it gains some enlightenment of persons modernization through regressively examining.

文章力图对中国近代国民性问题研究的深度与广度进行理论透视，其选择的理论视角是一种文化比较研究的宏观界阈，站在&中国问题&逐步世界化这一贯通绵延历史长河的动态平台上，揭示中国近代国民性问题指涉的文化人类学、社会学、心理学、政治学、民族学的多维意蕴，透视近代国人寻求主体自觉解放的心路历程，将其还置于中国近代民族政治救亡和思想文化启蒙的生存空间中来求证其本寓的社会价值，并拓衍其代际省思、承继、批判以至创新所寓意的深远影响惯性，在逆向审视中获取人的现代化的某些启示。

Soil pot experiments were carried out to study the ecological effect of rare earth elements on rice in yellow brown earth. The ryegrass was used as an indicator plant to study the relationship between chemical available REs and REs absorbed by plant in four different soils and to study the concentrations threshold in soils.

本文通过生物盆栽试验研究了稀土元素对水稻的生长效应，并选用四种不同类型的土壤，以黑麦草为指示作物，研究稀土元素化学有效态和生物有效性之间的关系以及不同土壤上施用稀土的极限浓度等问题。

Firstly,an image was segmented respectively by the two-peaked histogram method,the Otsu method and the consistency criteria method. Then a criterion to value the image quality based on information entropy was made by rules,which was related to the image sizes of objects. The appropriate threshold value,by which image segmentation was implemented to judge the burden temperature distribution most efficiently,was obtained.

该方法首先利用双峰法、最大方差法和一致性准则法分别对图像进行区域分割，再根据图像目标大小，运用知识规则制定判断图像质量的信息熵评价准则，选择合适的分割阈值，获得对判断料面温度分布最有利的图像区域特征。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。