不可缺少的

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。

Telecast plays an important role in our daily lives. Its one of the necessary facilities in our lives and amusements.

电视广播在人们的日常生活中扮演着重要的角色，是人们生活、娱乐不可缺少的工具。

Information system plays an essential part in the development of enterprises.But the trouble is the low rate of its success.

信息系统是企业发展不可缺少的部分，但是信息系统的低功率成为管理者头疼的事。

Does not shout tiredly Diligently works Although said he isnot most graceful But he thought is essential..!!

不喊累。努力的干活。虽然说他不是最帅的一个。但是他觉得是不可缺少的一个。。！！

Chromium is the most important component of glucose tolerance factor, and it can strengthen the function of the insulin. It is one of the necessary micro-elementary to human and animal.

摘 要：三价铬离子是构成葡萄糖耐量因子的重要组成部分，能够增强胰岛素的作用，是人和动物不可缺少的微量元素之一。

Serpuhov is by now occupied by a detachment of the enemy, and Tula, with its famous arsenal, of such importance to the army, is in danger.

谢尔普霍夫已经被敌人的一支部队占领，图拉及其著名的、我军不可缺少的兵工厂也处在危险之中。

Products: The main application of two-way switch cord in metallurgy, electric power, coal and rock, mining and chemical industries such as transportation systems, conveyor automation and control is an indispensable component of the sensor, the product is a tape transport at the scene of emergency shutdown the protection device.

产品介绍：双向拉绳开关主要应用在冶金、电力、煤岩、矿山及化工等行业的输送系统中，是输送机自动化控制不可缺少的传感元件，本产品是一种胶带运输机现场紧急事故停机的保护装置。

Meanwhile, secondary vocational education also plays a main role in helping high school education realize massification and universalization.

从国际视野考察发现，在中等教育由精英型向大众型过渡的进程中，中等职业教育起到了不可缺少的作用；高中教育在实现大众化和普及化的过程中，中等职业教育起到了中流砥柱作用。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。