This is a significant contribution to knowledge.

这是对知识的大贡献。

Penicillin was an extremely significant medical discovery.

青霉素是极的医学发现。

This study means significant to the ontogeny of Isoetes.

本研究对水韭属植物个体发育具有借鉴意义。

However，the efficacy of pipecuronium exists significant individual difference.

哌库溴铵的肌松效应存在较大的个体差异。

In sum, there are significant gaps in technological development across countries.

总之，各国在科技发展方面存在巨大的差距。

No significant correlation was observed between diatom red tide and alongshore pollutants discharge.

而近岸排污与硅藻赤潮发生的相关性不明显。

The results show significant non-synchronous changes in various components of the educational homogamy parameters.

资料分析的结果显示，教育同质婚配模型的各个参数间，存在非同步性的异。

Do you habitually use display screen equipment as a significant part of your job?

工作中经常使用屏幕显示设备吗？

Cardiopulmonary resuscitation (CPR) is a skill that has significant impact on asystolic patient surial.

CPR是对心搏停止患者的存活有显影响的一种方法。

Functional equivalence, hardly gettable for a translator, is positively significant as a translation norm.

尽管对译者而言很难实现理想的功能对等，但作为翻译标准，仍有积极意义。

She cast him a significant smile.

她向他投去意味深长的一笑。

He gave her a significant look.

他意味深长地看了她一眼。

However, the mRNA level of Arc showed no significant changes after propofol and bicuculline methiodide administration.

然而，注入异丙酚和甲碘荷包牡丹碱后mRNA水平弧无显。

It was significant to separate and enrich herbicide picloram from environment sample by molecular imprinting technique.

这对分子印迹技术用于环境样品中除草剂青莠定的分离和富集具有意义。

He was treated with thymectomy and oral medication of prednisolone and pyridostigmine, but without significant improvement.

经口服药及手术治疗未有改善。

However, many a mickle makes a muckle, and in total they add up to something significant.

但是，积少成多，这些习惯积累起来就成了巨大的风险。

Humic acid had significant photosensitization on tetramethrin,and itsphotosensitization increased rapidly as the humic acid concentration increased.

腐殖酸对胺菊酯光敏作用显，并随腐殖酸浓度的增加而迅速增强。

Antiphon poetry poetize everyday life, and maybe it is their ultimate significant value in literary history.

唱和诗在文学史上的最大价值就在于使日常生活诗意。

This investigation is very significant for the further studies on paleoclimate and paleoceanography in the Bering Sea.

这一研究结果对白令海第四纪的古代候与古海洋学研究具有十分的意义。

I haven’t noticed any significant reduction in the performance of my car since switching to unleaded fuel.

用无铅汽油后，我发现汽车性能并没有明显降低。