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The design features of Model A and Model B double bend downhole drill motor for horizontal hole sidetracking is analyzed by the energy method.

采用能量法分析了A、B两种型号侧钻水平井双弯壳体动力钻具的结构特性，给出了钻具弯曲变形与井壁压力、钻头造斜力、井眼几何尺寸的关系，讨论了在直井眼内的下入问题。

Transplanted stem cells in the hippocampus of the epileptic rats can survive and migrate, dramatically improve brain electric activities of epileptic tats.

干细胞移植于青霉素诱发的癫痫大鼠脑内能够存活、迁移，能够改善癫痫鼠的脑电生理功能，提示干细胞移植可能成为一种有效的癫痫治疗手段。

Shower Plug is a heavy-duty, clear brush-on solution using breakthrough sealant technology that waterproofs tiles and grout in showers.

Shower Plug 采用了突破性的密封技术，是一种清晰的重型涂料，用在浴室内的瓷砖和水泥填缝中起到防水的作用。

Some studies have found constancy in the proportion of total species in certain guilds within a community.

一些研究已经表明，在一个群落内的某些同资源种团中的总物种的比例是不变的。

Furthermore there were nine types of the longitudinal growth about the dental arch length, width and height.

乳牙列的长度、宽度、高度在此时期内的纵向发育变化有9 种类型，且各有其主要的显著变化类型。

Reciprocating pump is a positive displacement pump is dependent on the piston pump cylinder for reciprocating motion to change the volume of work, so as to achieve the purpose of transmission fluid.

往复泵是容积式泵的一种，是依靠泵缸内的活塞作往复运动来改变工作容积，从而达到输送液体的目的。

In the LP analysis, the differences in the windows, the quantization and interpolation of LSP are mainly described. In the comparison of pitch detection, the differences between open-loop and close-loop pitch detection of the two standards are analyzed. Besides, the differences in the structure of codebooks and searching algorithm as well as the quantization of gains are betrayed.

在线性预测分析方面主要对2种算法的加窗、LSP量化与内插的不同进行了陈述；在基音搜索方面对开环和闭环基音搜索上的差异进行了分析，并且对代数码书结构和搜索算法及增益参数量化的差别进行了阐述。

The participants were screened for HIV infection and also for recent HIV infection using both the standard test for HIV and a test for HIV that is "detuned" to detect only those HIV infections that have occurred within the six months prior to taking the test.

参与者进行HIV筛查，对那些筛查阳性者还要使用一种称为&detuned&的HIV检测，用以判断是否为检测前6个月内的感染者。198人中，有1例检出了HIV，但不是最近感染的，不能归咎于近期唯一的口交。

The inferno is similar to that caused by napalm—a jellied-petrol explosive heavily restricte d by a United Nations weapons convention.

珀尔修斯是一种希腊制造的900公斤（2000磅）重的炸弹，爆炸后几乎能将比12个足球场还大的区域内的一切物体化为灰烬。

BACKGROUND: To reduce the morbidity of traditional quadricepsplasty for the treatment of severe arthrofibrosis of the knee, we instituted a treatment regimen consisting of an initial extra-articular mini-invasive quadricepsplasty and subsequent intra-articular arthroscopic lysis of adhesions during the same anesthesia session.

背景：为了减轻传统股四头肌成形术治疗严重膝关节粘连带来的不利影响，我们创立了一种新的治疗方式，包括在同一个麻醉期间，最初的关节外微创股四头肌成形术和随后的关节内关节镜下粘连松解。

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。