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The classification on the remote sensing image is the indispensable content to the forest resource investigation and supervisal.

遥感影像分类是森林资源调查和监测不可缺少的内容，分类的精度直接影响遥感数据的应用水平和实用价值。

Several have integral, mark and 0; have; of sheer number, relative number, average to plus, negative, reciprocal,; also includes rational number, surd; median of even number, odd, decimal;, mode, logarithm,, these are maths the basiccest in kingdom indispensable, it is scientific domain enumerated foundation.

数有整数、分数和零；有绝对数、相对数、平均数；有正数、负数、倒数、；也包含有理数、无理数；偶数、奇数、小数；中位数、众数、对数、指数、函数等等，这些都是数学王国里最基本的不可缺少的，是科学领域计数的基础。

Library is the place to study writing for the demanding lighting and lighting, table lamps or a tower configuration is indispensable study.

书房是读书写字的场所，对于照明和采光的要求很高，台灯或者是一个长臂灯都是书房不可缺少的配置。

The drum is said to be one of the world's oldest known musical instruments, and the Japanese "Taiko" is no exception, having played an important role throughout Japanese tradition as an indispensable item in divine ceremonies and battles.

鼓，是世界上最老的乐器之一，而日本太鼓就是其中一种，它在日本的传统文化中扮演着重要的角色。在神圣的仪式和战争中都是不可缺少的乐器。

Along with the development of the Chinese market Economy System, the improvement of the tax regulations and the optimization of the tax systems, taxpaying planning will be a measure for the taxpayers to maintain their legal rights and interests and be the indispensable part of the enterprise financing and management.

目前，对于企业所得税税务筹划的学术研究频频见诸各种期刊，也有不少的公司和研究单位进行了大量卓有成效的筹划工作，但系统、完整的对企业所得税税务筹划研究尚不多见。

To obtain the information of thenar is indispensable for the production of foot rectification implement , and this is the work that the input equipment will do

足底矫形器的生产离不开人脚底的信息获取，这正是输入设备所做的工作。

Thus an effective reduction algorithm for document vectors are indispensable, while those traditional algorithms based on frequency and threshold filtering may often lead to the loss of many effective information.

而传统的基于频率的阈值过滤法往往会导致有效信息的丢失，也影响了分类的准确度。

The semantic descriptive method used in this dissertation has the following characteristics: First, the traditional input-output function is replaced by trace valued function as the denotation of programs. It helps to explain the process of program execution and thus facilitate programming and debugging. It is indispensable in the formal description of interactive languages.

本文采用的语义描述形式有如下几个特点：一是用时迹函数代替传统的输入输出函数作为程序的指称，这有助于揭示程序的执行特征，对具体的编程实践尤其是程序调试具有较好的指导作用，对于交互式程序的语义刻划更是必不可少的手段。

Financial time series is always studied as a whole in existent financial econometrics based on statistical models, some rigorous hypothesis are often indispensable. Especially, it is unbefitting for importuning all data of series to meet a fixed mathematics model.

目前已有金融计量经济方法主要通过统计模型从全局的角度来研究时间序列，这种方法一方面依赖苛刻的假设条件，另一方面它要求所有数据都符合一个固定的数学模型，显得过于牵强。

The acceleration is indispensable as a state-variable for precise analysis of the dynamic response of a drive system. This is because it represents the direct, undelayed response of a mass being moved in reaction to all the forces acting on it.

加速度是必不可少的一对驱动器的系统，这是因为它代表着直接的，毫不拖延地的群众正在反应，反应的所有部队行事提出精确的分析动态响应状态变量。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！