查询词典 obstacle

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。

The appearance of the Obstacle Cours should be linked to the Story's theme.

障碍 Cours 的外表应该与故事的主题相连。

Besides,maximal obstacle facing our country and Shanxi Province's energy conservation job is that the law guarantee is insufficient:(1)Our country's supporting system of energy conservation law and regulation is extremely not perfect;(2) our country's Constitution does not make the energy conservation legal status clearly,so that the legislation orientation of energy conservation law insists to hang down;(3)The maneuverability of current energy conservation law is not good;(4)It exists the phenomena of coyoting of Shanxi Province' coal resource and disorder construction of the sources of energy field,it lacks branch law and regulation,technical norms,energy conservation check mechanism of the relevance industry field on energy conservation.

此外，我国与山西省节能工作面临的最大障碍就是法律保障不足：①我国节能法规配套体系很不完善；②我国宪法没有明确节能的法律地位，导致节能法的立法定位偏低；③现行节能法可操作性差；④山西省煤炭等资源的滥采乱挖和能源领域的无序建设普遍存在，缺乏节能相关行业领域的部门法规、技术标准、节能考核机制。

The relationships among the targeted neurovascular structures were described and the difference between the median and paramedian infratentorial-supracerebellar approaches were analyzed. Results: The median infratcntorial-supracerebellar approaches provided direct exposure of the incisural space, although culmen represented a relative obstacle to expose of the quadrigeminat area.

结果：正中幕下小脑上入路直接暴露厂后切迹间隙，但山于小脑对视野的阻碍，限制了四叠体板下半部分的暴露；旁正中幕下小脑上入路视野范围集中在中切迹水平的脑干背外侧面区域，且可以观察到同侧的上、下丘。

Analysis of the personage inside course of study says, facebook is willing datival Linsipan reconciles, saved cost already actually, also sweep to appear on the market besides an obstacle.

业内人士分析称，Facebook愿意与格林斯潘和解，其实既省了费用，也为上市扫除了一项障碍。【以下内容为IT者网站提供英文翻译，未经授权请勿转载

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。