前所未有

By splicing in genes from other bugs, the company was able to engineer synthetic metabolic pathways—ones that do not exist in nature—that enable the bacteria to produce isoprene from the sugars found in plant materials such as sugar cane, corn cobs and switchgrass, a tall-growing variety native to North America.

Genencor的科学家们通过将大肠杆菌的基因与其它菌类基因接合，则能研发出前所未有的代谢合成途径，使细菌能从植物所含的糖类中制造出异戊二烯，这些含糖植物包括甘蔗、玉米棒和北美特有的变异品种柳枝稷等。

His《Polonaises》almost became an age in musical history.Many of his music were evolved on the basic of national dance with profound implication and musical length of expansion.They are dramatic and heroic lyric.

肖邦把这种体裁从形式到内涵都提高到前所未有的高度，他的《波兰舞曲》在音乐史上几乎形成一个时代的象征，许多乐曲是在民族舞蹈的基础上展开，蕴意深刻、篇幅扩大、具有戏剧性和英雄史诗性。

Over the past few centuries humans have developed more resilient physiques because they gained unprecedented control over their environment and their living conditions.

过去几个世纪，由于人类对环境和生活条件获得了前所未有的控制力，人体的适应性增强。

Press operator Jamie Barker said:'Our Comco press allows us to achieve stronger whites, rich color density, and an unprecedented print quality.

印刷机的操作杰米巴克说：'我们的康可记者可以帮助我们实现更强的白人，丰富的色彩密度，并以前所未有的打印质量。

Along with many great strides in positive advancements, negative thinking leading to catastrophic events attempted by nihilists, terrorists and anarchists also pose a change to modern states and citizens in not just protecting their narrow domains but to think in terms of global security, growth, prosperity, sharing and a concern for the entire humanity, unprecedented in dimensions in earlier times.

随着许多在积极的长足进步，消极思想，导致灾难性事件试图nihilists ，恐怖分子和无政府主义者也构成了改变现代国家和公民不只是保护自己狭隘的范畴，而是着眼于全球安全，发展，繁荣，分享和关注整个人类的，前所未有的规模在早先次。

Armani also did the unheard of ——he dressed women in traditional men's wear fabrics and dressed men in fine fashion fabrics such as wool crepe and linen.

阿玛尼还做出了前所未有闻的事—用传统的男装面料做女装，而男装用精细的时装面料如绉呢和亚麻布做。

The world is facing an unprecedented Great Depression, oil prices in the short term to re-up into the channels almost impossible.

世界正面临着前所未有的大萧条，在短期内原油价格重新上升到渠道几乎是不可能的。

Yes,"the king of the field," China and the United States an unprecedented extremely brilliant true to the battlefield, as well as unparalleled screen for these well-boring static battlefield refreshing feel perplexed about the players, to stimulate an unprecedented sense of the real battle will be classified as they have desire to calm the fighting side peaks again!

是的，《战地之王》极为华美空前绚丽的战场以及真实到无与伦比的画面让这些久经一成不变的枯燥沙场的选手们只觉耳目一新，前所未有的真实战斗刺激感将他们已归为平静的战斗欲望再起峰端！

Ming dynasty years,"the world Biaoju" less Biaotou Wang Zhenwei an unprecedented trip to the easy sale, he simply the Salt Merchants Fu Ming Jiao Peony tailored to the troupe's first trip to Beijing Escort, get a head trip than these satin More honorarium. Along the way, Wang Zhenwei bent to the female Biaoshi Chebi Qiuqin, but often are not understand his love for the things messed up.

明朝年间，&天下镖局&少镖头王振威接了1趟前所未有的轻松买卖，他只需将大盐商陈富给戏班名角牡丹定做的行头押解进京，就能得到1笔比这些绸缎行头还多的酬金。1路上，王振威1心想向女镖师飞燕求亲，可惜屡屡都被不解风情的他把事情搞砸了。

During World War I, nationalistic spirit drove the armies of several countries into unprecedented levels of carnage.

第一次世界大战期间，民族主义精神，推动军队的一些国家进入了前所未有的大屠杀。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。