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ABSTRACT Up to now, the geosynthetic reinforcement mechanism is still not very clear; design method is not maturated; and theoretical research lags behind engineering practice, to some extent, which hinder the application of geosynthetics.

目前，土工合成材料的加筋机理不十分清楚，计算方法不成熟，理论研究明显落后于工程实践，一定程度上限制了土工合成材料的工程应用，因此迫切需要。。。

Up to now, there are many secretes about the moon, I wish someone in our class will be a spacemen and travel to the moon and know more about the moon.

到现在为止，关于月球还有许多未解之谜。希望我们班将有人成为宇航员到月球上去旅行，探索更多的奥秘。

Up to now however, there has been no evidence that PET leads to improved management of patients in routine clinical practice. We did a randomised controlled trial in patients with suspected non-small-cell lung cancer, who were scheduled for surgery after conventional workup, to test whether PET with 18FDG reduces number of futile thoracotomies.

首先，在原发瘤的评估方面，其作用目前仅限于对单发肺内结节的良恶性鉴别，并且阳性预测值相对较低，在肿瘤可切除性评估方面的作用远逊于CT；更何况肺内良性肿瘤也需要手术切除，而那些不需要手术的病灶，比如活动性结核瘤及炎性肿物，PET 的假阳性率又太高。

The reporter enquires Song Jian, establish this website threw how many money up to now, whether to plan to rely on this website to make money, whether can you abandon current job, absorption safeguard a website?

记者询问宋健，创办该网站迄今为止投了多少钱，是否打算靠这个网站赚钱，是否会放弃目前的工作、专心维护网站？

Occupy personage of know the inside story to divulge, after joining in from the apple the friend of leaf of presiding operation official of Baidu assumes a post unusual all the time and low-key, interview without what had accepted any media reporters up to now.

据知情人士透露，从苹果加盟百度的首席运营官叶朋到任后一直异常低调，迄今为止没有接受过任何媒体记者的采访。

ABSTRACT: Background: Hepatitis B is one of the major infectious diseases of mankind, and up to now, there is no effective way to handle it.

背景：慢性乙型肝炎病毒感染是一个严重的临床和公共卫生问题，目前尚缺乏有效的治疗措施。

And there are many sorts in the does not impose restriction double lever ball that exists on ball catch field up to now or much lever ball is extremely inequitable, those who have negativity and limitation, hold the post of its to develop

而至今门球场上存在的不加限制的双杆球或多杆球中有不少种类是极其不公平、有消极性和局限性的，任其发展

For. Up to now, the city certified a total of 41 pollution-free agricultural production, pollution-free agricultural products has been certified 63, covering an area of 730,000 hectares, this year will continue to intensify agricultural production certification, and plans to re-certification of origin pollution-free 70,000 mu, pollution-free farm two, eight agricultural products, construction, pollution-free 50,000 of greenhouse vegetable production bases, three city-level pollution-free fruit standardization sample Park 2000 acres, 20 well cell culture and the standardization of three pollution-free animals product base.

作。截至目前，全市共有获证的无公害农产品产地41个，获认证的无公害农产品63个，面积达73万多亩，今年将继续加大农产品产地认证工作力度，计划再认证无公害产地7万亩、无公害养殖场2个、农产品8个，建设5万间温室无公害蔬菜生产基地、3个市级无公害水果标准化示范园2000亩，抓好20个标准化养殖小区和3个无公害畜产品基地建设。

Up to now, about 500 biological species in the world are confirmed to be spread by vessel ballast water.

到目前为止，全球已确认有500种左右的生物物种是由船舶压载水传播的。

Moreover, it played an important role in economic and social development and process of modernization. However, up to now, it is necessary to deepen the study about Chamber of Commerce of Tianjin while it is a new subject about inspecting Chamber of Commerce and social Changes.

在这一转型过程中，商会以其独有的功能，活跃在工商界和政府之间，发挥着无可替代的沟通和桥梁作用，并且广泛深入到社会生活的各个领域，对社会经济发展和现代化进程产生了举足轻重的影响。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。