上前尖

The color of the maxillary anterior teeth is related to tooth position, the central incisor is the lightest but the canine is the darkest, and the canine is redder, yellower, and has the highest Chroma

上前牙的颜色与牙位有关，中切牙的亮度最大而尖牙最暗且颜色更偏红、偏黄，饱和度也最大

After being loaded with horizontal retraction force at various height, displacement and stress distribution of anterior teeth was not well-distributed. Labiolingual displacement of incisors varied from crown lingual tipping to lingual translation and lingual controlling root movement, while canine mainly showed crown lingual tipping. The displacements of teeth increased with the length of hook but their moving tendency remained unchanged. Stress distribution in PDL was in accordance with teeth displacement.

2水平向后牵引力的作用点升高时，上前牙的位移和应力分布趋势各不相同：切牙的唇舌向位移由冠舌向倾斜逐渐变为舌向整体移动和舌向控根移动，尖牙则以冠舌向倾斜位移为主；前牙位移量随牵引力高度增加而增大，但位移趋势较为稳定；牙周膜应力分布与其位移趋势相一致。

Agamemnon was convulsed with pain, but still not even for this did he leave off struggling and fighting, but grasped his spear that flew as fleet as the wind, and sprang upon Coon who was trying to drag off the body of his brother- his father's son- by the foot, and was crying for help to all the bravest of his comrades; but Agamemnon struck him with a bronze-shod spear and killed him as he was dragging the dead body through the press of men under cover of his shield: he then cut off his head, standing over the body of Iphidamas.

全军的统帅阿伽门农全身抖嗦，但尽管如此，他也没有停止攻战，而是扑向科昂，手握矛杆，取料疾风吹打出来的树村。其时，科昂正拖起他父亲的儿子，他的兄弟伊菲达马斯，抓住他的双脚，对着所有最勇敢的壮士呼喊。正当他拉着兄弟的尸体，走入己方的队阵，阿伽门农出枪刺击，藏身在突鼓的盾牌后面，铜尖的闪光酥软了他的肢腿。他迈步上前，割下他的脑袋，翻滚着撞上伊菲达马斯的躯体。

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。