期

Microbial growth and reproduction process can be divided into four phases, namely, lag phase, logarithmic phase, stationary phase and decline phase.

微生物的生长和繁殖的过程可分为四个阶段，即滞后期，对数期，稳定期和衰落期。

METHODS Eighty-four healthy mature Wistar rats were divided into two periods, in which 36 rats for the first period and 48 rats second period, and each period included control group, rhubarb group and phenolphthalein group.

健康成年Wistar大鼠84只，分2期，第1期36只，第2期48只，均分为对照组饲以普通饲料、大黄组饲料中添加有大黄粉和酚酞组饲料中添加酚酞。

The autumn rainfall had showed decrease trend, and winter was pluvial period in 1970's, summer was pluvial period in 1980's, spring was infrequent rain period in 1970's.

秋季降水呈下降趋势，而冬季在20世纪70年代为多雨期，夏季在80年代为多雨期，春季在70年代为少雨期。

This paper provided a statistical analysis of 2000 patients with allergicdiseases in Xi'an and the surrounding area.The results of the analysis show-edg:(1) the incidence of the allergic disease had little difference be-tween male and female, while it was higher in youth and children; respi-ratory allergy, skin allergy, and pollinosis were main types of the disea-ses;(2)the positive ratio of the skin tests of atopic inhalant allergenswas 66.4%,among which, mite, pollen, mold and house dust were high...

本文分析西安及其周围地区2000例变态反应病的情况，结果表明：两性发病率基本相同；青年期和儿童期为好发病期；过敏性呼吸道疾病、皮肤疾病及花粉症是主要发病类型；特异性吸入性过敏原皮试阳性率为66.4%，其中螨、花粉、霉菌的阳性率最高，室尘次之，是本地区过敏性疾病的主要过敏原；采用免疫治疗总有效率为90.15%，非特异性免疫调节治疗可增加免疫治疗效果。

Collected data showed that soil water status of peanut slope farmland changes along with periods of year rainfall, and location of slope farmland. The 0~150cm soil pondage is divided into three stages that are water surplus period, water consume period and water complementarities period.

花生旱坡地水分状况随年降水周期和坡位不同变化。0~150cm土壤贮水量大致分为盈余期、消耗期和补充期三个阶段。

The study of the geological characteristics, ore-forming condition and genetic type from the Pingdingshan gold deposit, shows that the cryptomerous diorite and dioritic porphyrite in different stages formed a vein rock zone with gold containing ore bodies in the area, and five vein ore bodies were blocked out by spreading out with the NNE direction in the field.

黑龙江嘉荫平顶山岩金矿床的地质特征、形成条件和成因类型的研究表明：矿区内不同阶段的细晶闪长岩、闪长玢岩形成一个含金矿体的脉岩带；矿床范围内圈定5条呈脉状沿北北东向展布的矿体；矿石类型为石英脉型和蚀变岩型；金以裂隙金、晶隙金和明金为主，以银金矿的形式存在，且主要与石英、黄铁矿、毒砂和水云母共生；成矿作用分为热液期及表生期，其中热液期又分为4个成矿阶段，即纯石英阶段，黄铁矿毒砂石英阶段，黄铁矿毒砂水云母石英阶段和石英碳酸盐阶段。

It has many harmful influences on both psyche and function of stomatognathic system. Therefore the study of its diagnosis, treatment and prognosis were always focused on in Orthodontic area. By now the perioral force of the preadolescent children with anterior crossbite havent been reported both in our country and other countries.

有关替牙期反口周力的研究国内外尚未见报导，本课题应用自行研制的口周力测量系统对该期患者口周力进行了研究，并对其矫治前后口周力值的变化做一对比研究，以期深入了解口周软组织与前牙反之间的内在的关系，为替牙期反的预防和临床治疗提供理论指导。

Under the service rule that customers who first come would first get the service, we use the structure analysis method to get the stochastic decomposition of the queue length with the generating function of probability and the steady waiting time with Laplace-stieitjes transforms.

重点分析了带启动期的一般减量服务的单重休假$M/G/1$排队系统的一般结构，利用结构分析的方法，在先来先服务规则下求得稳态队长的随机分解的概率母函数和稳态等待时间的随机分解的$LST$，同时，讨论了系统处于平衡的条件及其概率含义的直观解释，进一步讨论了系统处于休假期、忙期、忙循环等状态时的各项性能指标及系统状态分布。

The quadrivalent was made of the normal 11 chromosome, the normal 18 chromosome, the translocated 11; 18 chromosome and the translocated 18; 11 chromosome.

精母细胞中SC分析，在早粗线期、中粗线期和晚粗线期精母细胞中，均发现22个常染色体SC和一个XY-二价体，即23个二价体；未发现22个二价体和一个单价体细胞，说明这条rob（21q；21q）染色体的两个臂完全配对形成发夹结构，形态上与正常SC一样，但与正常21号SC相比，其相对长度变短，由正常的1.5±0.1变为1.25±0.05。

The article considers to build harmonious living quarter in the light of different period the strategy of human relation, in isolated period develop an activity for the unit with the dormitory, shorten isolated period; is in absorb period, the development; that leads informal group correctly is being formed period, pay attention to the paradigmatic effect that produces core figure, the development of stimulative undergraduate socialization.

本文针对不同的时期探究建立和谐宿舍人际关系的策略，在孤立期以宿舍为单位开展活动，缩短孤立期；在同化期，正确引导非正式群体的发展；在形成期，注重发挥核心人物的模范功能，促进大学生社会化的发展。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。