半时

In the radiological examination, the motion of adjacent vertebrae and osteophyte formation were reviewed on X-ray and CT, and were converted to the semi-quantitative degeneration score according to the Goffin method.

采用Nurick 评分，对比术后6 周及随访结束时的神经功能状态；影像学检查：摄X 线片、CT 观察融合相邻椎体的滑动和椎体后缘骨赘增生情况，按照Goffin 方法转化成半定量退变评分。

When you are in mid-air, press and hold Action. You will grab the outcrop.

在半空中时，按下动作键，你将抓住岩壁的边缘。

The main impurity involved in the synthesis of erythromycin oxime was separated and purified, which was identified as the very compound formed in the acidic hydrolysis of erythromycin A, i.

分离和鉴定了在合成红霉素肟的过程中产生的一种主要杂质，通过 IR，UV，MS，1 H NMR和 1 3C NMR确证它和红霉素在酸性水解时生成的红霉素 A 8，9-脱水- 6，9-半缩酮为同一化合物。

On foot his raised head and half-dropped eyelids too palpably assumed superiority.

走路时，他高昂的头和半闭的眼睛极其明显地表现出超人一等的优越。

K value, canopy development and the rate of dry matter production among populations with different panicle types.

因此，在叶面积较大时，直立穗型群体的干物质生产和产量高于半直立或弯曲穗型群体。

Midway of the slope between bridge and fort were the spectators - a single company of infantry in line, at "parade rest," the butts of the rifles on the ground, the barrels inclining slightly backward against the right shoulder, the hands crossed upon the stock.

旁观者位于桥和堡垒中间的半斜坡上——一队步兵连站成一排，"检阅休息"时，将来福枪靶垛放在地上，枪膛微微向后倾斜靠着右肩，两手交叉于枪杆上。

The free vibration of a nonlinear elastic rectangular plate is explored, considering influence of material nonlinearity and static-load in plane on its dynamic characteristics. Exact solution to free vibration of each mode of the rectangular plate is obtained according to the fixed point theory of partially ordered space. So the whole process of free vibration is described.

对非线性弹性矩形板的自由振动进行了研究，考虑了材料非线性和面内静载对板动力特性的影响，并根据半序空间的不动点理论求得该矩形板在自由振动时各阶模态的精确解，描绘了其自由振动的全过程。

When Laura's not with Jorge Luis and their 41/2-year-old daughter Paulina, she's running the foundation.

当Laura'没和Jorge Luis及四岁半的女儿Paulina待在一起时，她就是全心投入基金会工作。

McCain's pre-combat duty began when he was commissioned an ensign, and started two and a half years of training at Pensacola as a naval aviator.

麦凯恩的前战斗值勤时开始，他委托军旗，并开始在两年半的培训，作为彭萨科拉海军飞行。

Based on the conclusion of experimental law, the photoelectric threshold condition is obtained for the semi-insulating GaAs photoconductive switch under the non-linear mode, pointing it out that, when the optic-energy triggers off the switch to meet the prerequisite that n_0L is greater than or equal to 10~(12)cm~(-2), the necessary condition is achieved for high field domain and meanwhile the threshold electric field serves to produce charge transmission effect within the material.

在总结实验规律的基础上，得到半绝缘GaAs光电导开关非线性模式的光电阈值条件，指出当光能触发使开关满足n0L≥10~(12)cm~(-2)时，达到形成高场畴的必要条件，阈值电场的作用是使材料体内产生电子转移效应。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐