Rough practical method of assessing or measuring sth, usu based on past experience rather than on exact measurement, etc ( and therefore not completely reliable in every case or in every detail)

The error margin < 1% by exact measurement.

在该里程表中采用了精确测量的方法，使里程和速度测量误差均<1%。

The Theoretical Expression of Carbon Potential for Carburizing Atmosphere and Its Exact Measurement

渗碳气氛中碳势理论表达式及精确测定

Objective: Set up exact measurement of hospital efficiency Medical Illness Severity, Severity the accuracy of efficiency evaluation of military hospitals, and supply the methods basis for the comprehensive system of quality evaluation.

建立精确考核医院效率的测量方法，提高军队医院效率评价的可比性与科学性，为改进医疗质量评价指标体系提供方法学依据。

In the present system of fire controlling and alarming, it is essential to take the exact measurement and effective control of the actual temperature and its ascending speed in the detecting area.

在当前的消防报警控制系统中，对被探测区域温度的准确测量和有效控制是消防工作质量的根本保证。

So the exact number of winning candidates who share its values is unclear.

所以，获胜的候选人中与他们持同样的价值观的人数并不确切。

On the other side, some factors are fuzzy and cannot use an exact number to describe it.

另一方面，有些影响结构选型因素又是模糊的，不可能用一个精确的量化指标来表达。

What is the exact number?

确切的数字是多少？

Small words, the exact number of effects, the obvious characteristics of Chinese medicine specialist has been formed.

小言之，一批疗效确切、中医药特色明显的专科业已形成。

The exact number of applicants is not known, with the final day for applications yesterday.

昨天是2006年国家公务员考试报名的最后一天，目前还未统计出准确报考人数。

Instructing him to find out the exact number of steps and the height of the wall.

要求他核实一下台阶的确切数字和围墙的高度。

The exact number of cases and deaths is unknown at this time.

确切的病例数和死亡人数此时尚不可知。

At present we are not certain about the exact number of minority nationalities in the southwest.

西南的少数民族究竟有多少，现在还不清楚。

But I've got to do a detailed calculation before I can give you an exact number.

不过我得仔细算了以后才能告诉你确凿的数字。

Algorithms for finding the longest path with an exact number of arcs

具有确定弧数最长路的算法

The exact number will depend on your gear and talents.

确切的数字取决于你的装备和天赋。

The exact number of protest calls has not been revealed

抗议电话的确切数量并未透露。

They even gave the exact number of casualties.

连具体数字都有。

The exact number of adjustments will depend upon the nature of the company's business activities.

调整项目的确切数量取决于企业业务活动的性质。

Tell me another way he could have known the exact number.

告诉我他怎么知道确切的数字的。

I need to know the exact number of survivors.

我需要知道生还者的准确数目。