英语翻译People who perform the various functions of machine desi

英语翻译
People who perform the various functions of machine design are typically called designers ,or design engineers .Machine design is basically a creative activity.However,in addition to being innovative,a design engineer must also have a soild background in the areas of mechanical drawing,kiematics,dynamics,materials engineering,stength of materials and manufacturing processes.
Machine design should be considered to be an opportunity to use innovative talents to envision a design of a product ,to analyze the systim and then make sound judgments on hou the product is to be manufactured.It is important to understand the fundamentals of engineering rather than mimorize mere facts and equations.There ate no facts of equations which alone can be used to provide all the correct decisions required to produce a good design.On the other hand,any calculations made must be done with the utmost care andprecision.For example,if a decimal point is misplaced,an otherwise acceptable design may not function.
New designs generally have “bugs” or unforeseen problems which must be worked out before the superior characteristics of the new designs can be enjoyed .Thus there is a chance for a superior product,but only at higher risk .It should be emphasized that ,if a design does not warrant tadical new methods,such methods should not be applied merely for the sake of change.
During the beginning stages of design,creativity should be allowed to flourish without a great number of constraints.Even though many impractical ideas may arise,it is usually easy to eliminate them is the early stages of design before firm details ate required by manufacturing.In this way,innovatine ideas ate not inbibited .Quite often,more than one design is developed,up to the point where they can be compared against each other.It is entirely possible that the design which is ultimately accepted will use ideas existing in one of the rejected designs that did show as much overall promise.
Quite often,a problem will occur during the manufacturing cycle.It may be that a change is required in the dimensioning or tolerancing of a part so that it can be more readily produced.This falls in the category of engineering changes which must be approved by the design engineer so that the product function will not be daversely affected .
It is possible for two metals to have exactly the same strength and hardness ,yet one of these metals may have a superior ability to absorb overloads ,because of the property called ductility .Ductility is measured by the percentage elongation which occurs in the material at fracture .The usual dividing line between ductility and brittleness is 5 percent elongation .A material having less than 5 percent elongation at fracture is said to be brittle ,while one having more is said to be ductile .
只要翻译 只要翻译 只要翻译 只要翻译 只要翻译 只要翻译
if a design does not warrant tadical new methods,
innovatine ideas ate not inbibited .
This falls in the category of engineering changes which must be approved by the design engineer so that the product function will not be daversely affected .

执行多种机器功能设计的人向来被称为设计师或者设计工程师.机器设计基本上是一项创造活动.然而为了改革创新,设计工程师必须有坚实的背景基础在机械画图,（kiematcs是什么?）材料工程设计,擅长材料和制造过程.
机器设计,应该被考虑为一种机会,用创新人才去设计产品,分析系统（应该是system吧）然后做合理的判断在（hou?how吧）怎样制造产品上
- -哎.算了.都翻译这么多了.
翻译你补充的吧
如果一项设计没有充分理由tadical（这个是什么词radical?感觉应该是创造）
去创造新的方法,
革命性的点子（ate?are吧）不会（inbibited?什么词）
为什么很多奇怪的词.哎不翻了