Even in small companies, computers are an essential tool.
即使在小公司里，计算机也是必不可少的工具。
Internet is an essential tool for people.
互联网是人类不可或缺的工具。
We chose surgical masks as an essential tool for that.
我们选择把医用口罩作为这样做的一个必要工具。
Tied variables are an essential tool for any Perl programmer.
绑定的变量对于所有Perl程序员都是一个重要的工具。
Wang forecast stock market is an essential tool for free.
大盘预测王是股民必备的免费工具。
Writing is an essential tool that everyone should be trained in.
写作能力是每个人必须具备的一项技能。
The Club Leadership Plan is an essential tool for this, he said.
他说，扶轮社之领导计划就是达到此一目标有力工具。
Flood hazard map is an essential tool and basis for flood management.
洪水风险图是实施洪水管理的重要手段和基础。
For one thing, English is an essential tool to know the outside world.
一方面，英语是了解外界的必备因素。
A good dictionary is an essential tool for anyone in the modern world.
一本好字典是在现代世界上任何人必不可少的工具。
Pedigree drawing is an essential tool in genetic and genealogical studies.
对于在遗传研究和家系研究中大的系谱结构图还很难分析。
Before the days of computers, typewriters were an essential tool in every office.
电脑问世之前，打字机是每个办公室的基本设备。
In this way, multilingual communication is an essential tool for improving global health.
所以，多语言交流是促进全球卫生工作的一个必不可少的工具。
It is an essential tool for the planning of services and monitoring of disease patterns.
实际上它是制定服务计划和检测疾病征兆的必不可少的工具。
It is an essential tool and purpose in surface modeling to interpolate the given curves.
插值已知曲线是曲面造型中的一个重要追求目标或手段。
A database is an essential business tool.
数据库是关键的业务工具。
Business CARDS are another basic marketing tool and an essential for anyone in private practice.
商务卡是另一种基本的营销工具，并为私人执业的人是至关重要的。
Essential scientific Index (ESI), published in American, has become an authoritative tool for scientific evaluation.
美国出版的《基本科学指标》(esi)已成为国际性的高水平的权威评价工具。
Voice is the physiological function, and also an essential job tool to teacher.
嗓音对于教师来说，既是生理功能，又是至关重要的职业工具。
Bookkeeping is an essential accounting tool.
簿记是会计的基本工具。
Compiler is an essential part of computer system and tool for programmers.
编译程序是计算机系统不可缺少的部分是程序设计者的必备工具。
Compiler is an essential part of computer system and tool for programmers.
编译程序是计算机系统不可缺少的部分是程序设计者的必备工具。
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