The positive pole carries a positive charge while the negative pole does a negative charge.

正极带正电荷, 负极带负电荷。

Are you positive that you saw him?

你有把握断言你见过他吗?

The whole tenor of the meeting was very positive.

会议的整体氛围很积极。

On intravenous urogram the ureterocele usually showed a positive cobra-head dilatation.

静脉注入泌尿系可见其影像，与“眼镜蛇头”相类似。

The only positive and allowed type of dictature ever worth supporting!

这种惟我独尊的气势和风格永远值得支持！

The man’s worse than irritating,he’s a positive menace!

这个人不仅惹人生气,简直是讨厌透了。

The man's worse than irritating, he's a positive menace!

这个人不只惹人生气, 简直是讨厌透了。

They may start moving upwind using optomotor stimulation and show positive anemotaxis.

它们凭借视，可能开始逆风飞，表现出正趋风性。

Results 60%cancer karyon, cytoplasm display positive signal of Staphylococcus aureus L-form DNA.

60％细胞核、浆内显示金葡茵L型DNA阳性信号。

An electron has a negative charge,a proton has a positive charge.

电子带负电荷,质子带正电荷。

Even innocuous substances can sometimes register a positive result in a drug test.

即使无害的物质在药物测试中有时也会呈阳性。

French artist and inventor of the daguerreotype process for obtaining positive photographic prints.

达盖尔，路易斯·雅克·曼德1789－1851法国艺术家和发明家，发明了银版摄影术，能洗出照片的正画来。

The rendering of the zhoufang the positive just right solum impersonate this magic power.

周昉的渲染正恰到好处地体现出这一魅力。

Self-confident, ambitious and positive, Paula is a tough cookie who is bound to do well.

葆拉自信、乐观、有抱负,且相当有主见,她肯定会有所成就。

The test proved positive.

试验呈阳性。

She is a positive idiot.

她完全是个白痴。

The result showed that the positive is 33.1 % and the microfililaria is labialpapilia filaria microfililaria.

蛄表明,血中微丝蚴阳性率占33.1％,并对血中微丝蚴形态进了观察,认定该种微丝蚴为唇乳突丝虫的微丝蚴。

Film positives to be right reading emulsion side down and accompanied by progressive proof and mechanicals.

菲林正片须文本在上，药膜在下，并伴有单夹色打样.

Other features include: Preselector time control for auto cycling;Roll slide positive stop;and Automatic lubrication.

自动旋转时间预选控制， 辊子滑动前挡板， 以及自动润滑。

Daguerre:French artist and inventor of the daguerreotype process for obtaining positive photographic prints.

"达盖尔:法国艺术家和发明家,发明了银版摄影术,能洗出照片的正画."