大大

She added a big exclamation mark at the end of this letter.

在这封信的结尾她画了一个大大的感叹号。

Three tests identify such competencies:(1) they provide potential access to a wide variety of markets;(2) they significantly contribute to the customer benefits of the end-product; and (3) they should be difficult for competitors to imitate.

三种测试查明这些能力：（1）他们提供可能的接触到各种市场；（2）他们大大有助于最终用户利益的产品；（3）应竞争者很难模仿。

More calcium precipitates were located in the epidermis, endothecium and tapetum of the sterile anther than in those of the fertile anther. Longitudinal inner cell wall of the sterile anther became thicker than that of the fertile anther at the dyad stage and uninucleate pollen stage.

到四分体与单细胞花粉时期，不育花药的木质部细胞的次生加厚壁上有较多的Ca2+沉淀，连接组织中的Ca2+沉淀也大大增加，所有不育花粉外壁较厚而发育都不正常。

Because the synthesizing time is short, this method can save energy and water.

与悬浮法不同的是，微波法得到的产品为粉末状，不需要分离，大大节约了成本，节省了能源、水。

They went astray, in their innocence, to such a degree that they introduced the immense enfeeblement of a crime into their establishment as an element of strength.

他们在那种天真的想法上，竟会错误到想用犯罪的方法来加强自己统治的力量，而不知道罪行只能大大削弱自己。

Optional Bluetooth 2.0 + EDR module, data transfer fast and convenient, user-friendly design of the full-size keyboard, greatly enhanced typing comfort.

选配蓝牙 2.0+EDR模块，数据传输方便快捷，人性化的全尺寸键盘设计，大大提升了打字的舒适度。

The two mechanisms are used to modify the logarithmic-spiral slide curve. The example analyses show that the accuracy of this thesis's modified logarithmic-spiral mode is greatly enhanced.

对目前使用的对数螺旋滑移面进行了修正，实例分析表明，本文修正模式准确程度大大提高，不需经过大量试算。

It was the first time I fulfilled my task of study English enjoyably.

他们热情、专业、认真、友好，不仅使我的英语水平大大提高，更使我了解到各国不同的文化！

He is one of those people who will is enormously improved by death.

他是用死亡会大大加以改善的那种人之一。

He is one of those people who would be enormously improved by death.

他是用死亡会大大加以改善的那种人之一。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。