This is a significant contribution to knowledge.

这是对知识重大贡献。

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。

Penicillin was an extremely significant medical discovery.

青霉素是极其重要医学发现。

Significant falciparum parasitemia had been identified at presentation in both cases.

第一个病例是一位由西非奈及利亚回国六十五岁男性。

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差距。

However，the efficacy of pipecuronium exists significant individual difference.

哌库溴铵肌松效应存在较大个体差异。

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性不明。

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

你工作中经常使用屏幕示设备吗？

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

CPR是对心搏停止患者存有著影响一种方法。

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功能对等，但作为翻译标准，仍有其积极意义。

Composite Danshen Guttate Pill has significant effects on treating angina pectoris in coronary heart disease.

复方丹参滴丸具有治疗冠心病心绞痛作用。

She cast him a significant smile.

她向他投去意味深长一笑。

He gave her a significant look.

他意味深长地看了她一眼。

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

资料分析结果示，教育同质婚配模型各个参数间，存在著非同步性变异。

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

然而，注入异丙酚和甲碘化荷包牡丹碱后mRNA水平弧无著变化。

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。

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化作用著，并随腐殖酸浓度增加而迅速增强。

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分离和富集具有重要意义。

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风险。

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

唱和诗在文学史上最大价值就在于使日常生诗意化。