弓的

By the Mesolithic , hunting strategies had diversified with the developent of the bow (by 18,000 years ago) and the domestication of the dog (about 15,000 years ago).

到了石器时代，狩猎的策略已经多元化同弓（由1.8万年前）和狗的驯化（约1.5万年前）项目概况。

The crossbow is an excellent weapon for the militiaman, being easy to use, although slow to reload. These men carry a large pavise shield to give them some protection while reloading.

弩弓是民兵部队的理想武器，因为毋需多加训练即可使用，但装填速度较慢，故而弩兵们背负全身巨盾，以提供装填过程中的防护。

METHODS: From January 2002 to January 2008, 19 patients with misplacement in thoracolumbar spine were treated in Department of Orthopedics, Wuxi Affiliated Hospital of Nanjing University of Chinese Medicine, including 12 males and 7 females with an average age of 52.5 years (range 23-68 years).

选择2002-01/2008-01南京中医药大学无锡附属医院骨科收治的经影像学证实的胸腰椎椎弓根螺钉置入位置不当患者19例，男12例，女7例；年龄23~68岁，平均52.5岁。

It indicated that influence of acupuncture to ARC and monaminergic neurotransmitter might be one of the nerve center mechanism.

提示，针灸对下丘脑弓状核及脑组织单胺类神经递质的良性调整作用是针灸减肥的重要中枢机制之一。

A mechanical model of the lumbar motion segment was constructed with three-dimensional finite element method to analyse the status of the stress distributionin the neural arch.

本文采用三维有限元方法建立了腰椎活动节段的力学模型，着重分析椎弓峡部的应力分布情况。

Bows require dexterity for quick assessment and steady aim as well as for the ability to rapidly nock and loose arrows .

使用弓需要尽量高的敏捷，敏捷越高，击中率约高，也能更快的再次发射箭矢。

To find the best angle of cervical oblique films.

在这两个观测的基础上找到颈椎椎弓根及螺钉植入的最佳斜位片角度。

The patient showed atrophy in frontal and temporal lobe on regular MRI, significantly reduced amount of Nacetyl aspartic acid、cholineand creatinecompared with contralateral on MRS , remarkably decreased blood flow in the left temporal polar and front part of fontal lobe compared with contralateral on PWI. There were decreased association fibers between Broca and other regions meanwhile no association fibers were found between triangular area and wernicke region on DTI. The fibers projecting to opercular part of frontal lobe via archiform fibers were lessened. The mean FA and fibers of Broca and Wernick regions were less than that of the healthy subjects.

常规MRI显示左侧额叶及颞叶萎缩；磁共振波谱分析显示左侧颞叶和额叶N乙酰天门冬氨酸、胆碱、肌酸含量较对侧明显减低；磁共振灌注成像显示左侧颞极及额前部的血流量较对侧减低；弥散张量成像显示左Broca区与其他脑区间纤维联系减少，三角区与Wernicke区无纤维联络，左侧Wernicke区通过弓状纤维到达额叶岛盖部的纤维减少，Broca及Wernicke区平均FA及纤维束较正常人减少。

To evaluate the time effect on mechanical properties of orthodontic arch wires.

目的评价临床使用时间的长短对弓丝机械性能的影响。

Spinal orthopedic surgery and osteotomy of the 19 patients were completed on spine models according to preoperative plan, and the pre-bending of the orthopedic fixation rod was accomplished according to the angle of the models after osteotomy or orthopedy .

按术前计划在脊柱模型上完成脊柱矫形或截骨，并按照截骨或矫形后模型角度完成矫形固定棒的预弯。2。在模型指导下根据骨性标志定位，完成椎弓根螺钉钉道的预制，上端达到胸1水平。3。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。