查询词典 problem on obstacle

We hope that the formation of biazulene compound(201), under the coupling reaction of 1、3-position being along with electron-withdrawing group, 2-position being along with hydroxy group, and four 4、8-position being along with static energy obstacle large enough functional group of azulene compound(200), may have the chiral auxiliary effect like that of the BINOL.

希望将两个在1、3-位置上有拉电子基、2-位置上有羟基及在4、8-位置上有立体能障够大的官能基之薁类化合物(200)，进行偶合反应后所形成的双薁类化合物(201)能够像BINOL那样具有掌性辅助剂之效果。

The center cities of Jiangxi develop backwardly, becoming a big obstacle of restricting the economic and social development of the whole province.

是经济区域中经济发达、功能完善、能够渗透和带动周边区域经济发展的行政、社会组织和经济组织的统一体。

Today, two days prior to their League clash with Betis, the Whites attended a physical session with an obstacle course.

今天，与贝蒂斯的联赛对决之前两天，白衣军团参加了以障碍训练为主的体能恢复。

In a blunter series of reports for the Asian Development Bank which notes that average annual growth in the five worst-hit countries is 2.5 percentage points lower than before the crisis economists called for improved governance and criticised corruption in Indonesia and the Philippines as "a deeply embedded obstacle to progress".

在为亚洲开发银行撰写的一系列更为直白的报告中，经济学家们呼吁改善治理状况，并将印尼和菲律宾的腐败现象斥为&阻碍进步的深层障碍&。*这份报告指出，在5个受金融危机打击最为严重的国家，平均年度增长率较危机前下降了2.5个百分点。

However,a severe shortage of cadaveric kidney has hampered wider use of this technique and is perhaps the most important obstacle facing transplantation today.

但是，尸体肾的严重缺乏，阻碍了这种手术的广泛应用，可能也是今天肾移植所最面临的最大障碍。

Acremonium. However, low frequency of integrative genetic transformation is a major obstacle to gene cloning in Cephalosporium acremonium, for example, screening and identification of genes from a DNA bank by complementation of blocked mutants, knock out or replacement of genes.

过去的一些研究表明质粒对顶头孢霉的转化率太低，限制了许多分子生物学技术的应用，如利用互补突变株从顶头孢霉的DNA文库筛选和鉴别基因、基因敲除或者基因替换。

Choose a gear that allows you to hold the ideal body position on the climb too easy a gear will give you a fast cadence forcing you into the saddle and preventing from using your legs to absorb shocks on the other hand too hard a gear lead to a loss of momentum if you hit an obstacle a common error is riders who shift the little chambering too soon when approaching a hill climb this can cost a loss of momentum at the base of the climb when they need it the most.

选择适合的齿数来让你保持理想的爬坡姿势，用太轻的齿数，会导致踩踏转数过快，这会迫使你紧贴座垫，同时也会使你的双腿失去避震的作用。另一方面，在碰到障碍物时，若使用过重的齿轮组合，则会让你失去动力。

Keywords: colonoscope;3D shape display;active obstacle avoidance;vision-based navigation;automatic insertion

中文关键词：结肠内窥镜；三维形状显示；主动避障；视觉导航；主动介入

It is an obstacle to the applications of conjugated polymer devices.

这是目前高分子元件制程上的最大问题。

It is a corresponsive psychic obstacle, and became important in psychiatry, so an increasing number of scholars employ themselves in it.

本文着重从神经内分泌的角度对创伤后应激障碍作以综述。

In other research, chondroitin is being investigated for use in several other conditions.

在其它研究，软骨素被调查用於几个其它情况。

They would make fun of him for having to work.

他们拿他的工作来开玩笑。