查询词典 aim a blow at

Aim: The aim of the study is to compare the efficacy of bowel preparation before colonoscopy at different timings.

目的 本研究旨在比较不同时间作结肠镜前肠道准备的肠道清洁质量。

The rationals of anti-angiogenesis are the following: the therapeutic target is tumor endothelial cells which are more genetically stable, more homogeneous, and with lower mutation rate; the anti-angiogenesis drugs can contact endothelial cells directly, with higher potency and lower drug barriers and side effects; the aim of anti-angiogenesis therapy is to block the oxygen and nutrition supply from vessels, instead of killing tumor r ells per se; the aim of anti-angiogenesis is to reduce tumor size instead of eradicate tumor which are different from traditional chemotherapy.

使用抗血管新生疗法根据的理论基础为以肿瘤血管的内皮细胞为治疗药物的攻击标的；肿瘤血管的内皮细胞基因比较稳定、同质性高、而且突变率低；投与的药物可以直接接触内皮细胞，减少投与药物屏障，因此增加有效投与药物的能力及减少药物副作用；以截断供应肿瘤氧气养分的血管为目标：以减小肿瘤的体积大小为目的，与传统化学疗法以根除肿瘤的目标不同。

First of all, I, to some basic theory knowledge of the scenic spot, concept, important document of the composition, function, historical development of the scenic spot are described , among them differentiate and analyse the difference between scenic spot, nature reserve , Forest Park , tourist zone , foreign national park especially, pass the comparison in such several respects as nature , definition , establishment conditions , aim , building policy ,etc, can find out there are very great differences in scenic spot and other areas , it is an independent legal area; Secondly, I analyse to China and foreign legislative overview of scenic spot, list the scenic spot in the national park or protection zone system abroad , has made the special" law of protection zone " and " law of national park ", China"s corresponding legislation is more weak , there is not a special scenic spot to legislate at present in China, only an administrative statute that the State Council issued in 1982 -" provisional administrative regulations of scenic spot"; Moreover, I set up with the existing legislative existing problem of scenic spot in our country is it expound the fact to go onning to of our country planning , management, property right that scenic spot exist, it will must set about making " the law of scenic spot" while saving the scenic spot to strengthen the protection management to the scenic spot at the present stage; Finally, I belong to to legislative aim , legislative principle , right, our country of " scenic spot law such basic frames as the system , management system , legal liability ,etc. is it expound the fact to go on..

首先，笔者对风景名胜区的一些基础理论知识，风景名胜区的概念、构成要件、功能、历史发展等问题进行论述，其中重点辨析了风景名胜区与自然保护区、森林公园、旅游区、外国国家公园的区别，通过性质、定义、设立条件、宗旨、建设方针等几方面的比较，可以看出风景名胜区与其他区域有很大差别，是一个独立的法定区域；其次，笔者对中国和国外风景名胜区立法概况进行分析，国外将风景名胜区列入国家公园或保护区体系，并制定了专门的《保护区法》和《国家公园法》，而中国相应立法则比较薄弱，中国目前没有一部专门的风景名胜区立法，只有一部国务院在1985年颁布的行政法规——《风景名胜区管理暂行条例》：再次，笔者对我国风景名胜区存在的规划、管理、产权设置和我国现有的风景名胜区立法存在问题进行论述，现阶段要加强对风景名胜区的保护管理，挽救风景名胜区，必须着手制定《风景名胜区法》；最后，笔者对我国《风景名胜区法》的立法宗旨、立法原则、权属制度、管理体制、法律责任等基本框架进行论述。

Optoelectronic Aim ing System of Tool Setting Gauge for NC Machine Tool;2. An automatic aim and signal system with CCD array is developed in this paper.

提出了一种采用线阵CCD器件的自动瞄准发讯系统，可以直接安装在数控机床上，对刀具的几何尺寸进行测量。

To adopt the main-line method in Electric and Electronic teaching,that is the model as aim,aim into questions,questions into points,points into practice,practice into application,by the five steps,we can take good advantage of the students abilities and develop their intelligence fully.

在电工电子课程教学过程中采取&五化&教学法，即：&模块目标化———目标问题化———问题要点化———要点练习化———练习应用化&的&主线贯穿式&教学法，有利于挖掘学生的学习潜能，最大限度地发挥及发展学生的聪明才智。

Can this "lock" feature so that my disappointment, it was the old to the shoulders of others attempting to aim the gun unloaded (right-click, such as a longer prospective缩成heart when the small round head and neck in order to aim), so playing four or five individuals have to waste rounds of ammunition, tommy submachine gun is more waste, they are often a critical juncture in this gang of people and ice was the hospital.

可这&锁定&功能让我失望了，它到后来老瞄别人肩部企图卸枪(要长按右键等准心缩成小圆的时候才能瞄头颈部)，所以打个人要浪费四五发子弹，tommy冲锋枪浪费得更是多，于是常常在这紧要关头被一帮人ice进医院。

It was a crushing blow, and at first I did not know what to do.

这对我是个很大的打击，起初我都不知道该做什么好了。

He says it's a crushing blow for the Central Valley's already fragile economy.

他说，这是一个毁灭性的打击的中央谷的已经十分脆弱的经济。

The failure of the first match was a crushing blow for him.

第一场比赛的失败对他们来说是一个残酷的打击。

Out of nowhere, a crushing blow to the head knocked Langdon to his knees.

不知什么东西猛地击中了他的头部，使他跪倒在地。

Objective To investigate the relationship between ovum fertilization rate and sperm morphology, acrosome reaction in IVF and to explore the influence of parameters of sperm on fertilization rate.

目的 研究体外受精(in vitro fertilization，IVF)中精子形态、顶体反应与卵子受精率之间的关系，分析精子各参数在IVF受精率方面的参考意义。

A: I hear Mr. White wants to run for the Presidency!

我听说怀特先生要参加总统竞选！