精练的英文：
concise
succinct
terse
well-trained

Terseness or succinctness of style or expression.
简洁精练或简洁的表达风格

A tersely phrased statement of a truth or opinion;an adage.
格言，警句蕴含真理或看法的精练的语句;警句

The whole of science is nothing more than a refinement of everyday thinking.——Albert Einstein
一切的科学除了使日常所思考的事更精练外别无其他。——爱因斯坦

Your article will be stripped and will be convincing if you strike off your critiques.
如果你能删去文章中的评论，你的文章就会变得既精练又具说服力了。

Then he lays out the agenda quickly and without gassing on and on, a laconic style that few others in the room practice
然后，他没有空谈，而是很快地安排议程，这种简洁精练的方式是其他人很少采用的。

Active tense sentences are shorter and use words more efficiently, and their meaning is more apparent.
相对而言，主动语态的句子更简短，措词更精练，表达更明白。

This passage is concisely phrased.
这段话措辞简练。

The explanation in this dictionary is concise and to the point.
这部词典里的释义简明扼要。

A concise summary,account, etc
简明的摘要、报道等.

Expressing much in few words; clear and succinct.
简明的，简洁的，简要的仅用少量词语表达多内容的；清晰和简洁的

A succinct review of this problem with an excellent bibliography has recently appeared.
关于这个问题的一个简明的复习和一份极好的文献目录最近已发表。

His articles are rich in content and succinct in style.
他的文章内容丰富,语言简练。

A terse, witty, instructive saying; a maxim.
格言，箴言，警句简洁、机智、有教导性的话;警句

What strikes at a first reading is its vividness and terseness.
初读时它给人的印象是生动和简洁。

It would say, for example, 0–9. Short, terse, but very effective.
比如说它显示0~9，简短、简洁，而且非常有效。