不常的

Parkinson's diseaseis basically a degeneration disorder of basal ganglia, and is characterized by tremor, akinesia, and rigidity, and sometimes may accompany with cognitive impairment similarity frontal lobe dysfunction.

中文摘要巴金森氏症是一种基底核的退化性疾病，临床症状除了震颤、运动不能及僵直外，常伴随类似额叶损伤的认知功能障碍，这些认知障碍一般以为是额叶-皮质下神经回路受损所导致。P300-事件性诱发电位，可以反应出人类的认知历程，常被用来检测大脑高级皮质功能的异常。

Begin, composition is in very downy tonetic in undertaking, just when those nobles are soporous when, abrupt, orchestra play music gives the melody like Jing thunder lightning, accompanying the drum of cannon type, frighten the nobles in sleep immediately wake, glare of their mouth open one's eyes wide, drowsiness is broken completely, composition also ends at this point.

海顿指挥乐队演出时，常有些故作风雅的贵族前来参加音乐会，可是他们根本不懂音乐，常在乐曲声中打瞌睡，海顿就特意创作了"惊愕交响乐"。开始，乐曲在极为柔和的声调中进行着，正当那些贵族们酣睡时，突然，乐队奏出惊雷闪电般的曲调，伴着大炮式的鼓声，顿时把睡梦中的贵族们吓醒，他们口张目瞪，睡意全失，乐曲也就此告终。

The logical system Qs is obtained from the pure predicate calculus by adding a binary predicate constant S which denotes the sanctions, an individual constant c denoting the state institutions, and some definitions of deontic modal words but not adding axioms or deducible means.

它以狭义谓词演算为基础，在其形式语言中添加专指"制裁"行为的谓词常项，添加专指"国家机关"这种法人的个体常项，添加规范词的定义，但不添加推演工具，就可次生出关于法律规范的逻辑。

As far as the older generation business card printing and membership card making territories Korean, in China, many engaged in after the liberation of color seihan have hard-working hard in my spare time to study painting, drawing, Professor of the Academy of fine arts, often to the factory to prelection and counselling painting, leading tours of various art exhibition, does make it was good for everyone in the workplace.

据老一辈制卡和会员卡制息界不小师引见，在敌国缚束不末期，许众从事不黑不黑制版的职员，都在业缺工夫怠懈吃苦不天教习绘画、素描，不纬常请洋央丑术教院的传授到工场来授课和教导绘画，带领布局观光各栽丑术展览，不实使不小家在处事洋施益匪浅。

This is based on such concept that the flow separation at any point of blade surfaces could be prevented if separation is prevented at most aggravative pressure diffusion section during wakes sweeping.

本文提出了一种引入非定常因素的设计思想，即这样来设计叶型，使尾迹非定常扫掠过程中出现的最严重的扩压过程不发生气流分离。

Chromatic plastic film and light conversion film has been applied in protected cultivation, and plastic films with different light quality may serve as a non-chemical approach regulating growth and thermoperiodic responses of plants. A few studies showed that light quality affected growth and yield of strawberry, but little is known about its effects on photosynthesis and chlorophyll fluorescence in strawberry leaves, and fruit quality. So it is beneficial to scientific regulating growth and fruiting for strawberry protected cultivation to study on those effects and the interactions between CO2 and N supply on photosynthesis.

而低氮影响植株生长、叶片黄化，进而影响光合作用，导致抗性减弱和产量品质下降；③CO_2供应问题：目前我国草莓栽培常在设施环境下进行，在封闭性强的设施中空气流通不畅，常导致设施内部CO_2供应不足而影响光合作用，进而影响产量和品质；④光不足与光质问题：设施栽培中，光通过玻璃和塑料棚膜后使设施内的光强与光质均发生改变，这些变化特别是光质变化对草莓生长与结果的影响程度尚无明确认识。

E. , when they run under low temperature in winter, the formation of frost on airside heat exchanger surface has become a common problem, which leads to degradation of heating capacity and has effects on its normal running.

主要表现在机组冬季运行时，当空气侧换热器表面结霜时，会减小机组的供热能力并影响其正常工作，常造成机组运行的不稳定，使机组运行中常发生故障，甚至于停机。

She discusses not needing test kits, water changes, pruning often, dosing, work that most aquarist do not care for.

她的观点是不需要测试设备，不需要换水，水草不需要常修剪以及不需要加肥。

Heroin addicted patients are unlikely to contact medical services actively; hence internists and emergency physicians who care for their medical conditions play a pivotal role in promoting their health.

海洛因成瘾病患常因为担心法律的问题而不愿意主动就医，因此内科与急诊的医师常有机会因为急症而第一线接触及提供相关医疗服务，对於此类病患之健康促进扮演关键的角色。

There are three constraints on the rheological structure of the lithosphere, namely, constant strain rate, constant tectonic force and the strainratedependent force. However they can not describe the realistic distribution of the strain rate in the lithosphere.

对目前存在的3种应变率约束条件（常应变率，常构造力，与应变率有关的构造力约束）进行了讨论，它们都不能真实地反映岩石圈内的应变率分布及实际观测。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。