两三个

At Bacillus subtilis endospore counts of 1000 /100 ml only 3 colonies grew on agar plates that had been exposed to a volume of air equivalent (assuming the Andersen sampler adequately mimics the human lung) to a person standing close to the sprayers for two hours.

在微小杆菌芽孢计数为 1000 /100 ml，在暴露在相当于一个人靠近喷雾器站两小时的空气体积的琼脂皿上只生长出三个菌群。

The most sensitive period of alcohol damage is during the brain growth spurt, the last trimenon of mankind fetation and the first two postnatal weeks in the rat.

研究发现酒精损伤的作用最敏感的时期正是脑生长发芽期，在人类为孕后三个月(相当于大鼠新生至生后两周)，在这个时期，短暂的酒精接触便会使皮质、海马、小脑的上百万神经元损害。

This paper presents for the first time information on the reproductive ecology of two dioecious fig species, mainly on their phenology, the reproductive behaviors of associated fig wasp s and ecology.

本文主要从榕树物候学、榕小蜂繁殖行为学和生态学三个方面展开对西双版纳热带雨林下的歪叶榕和假斜叶榕两种榕树的繁殖机制研究。

We first review two existing approximation approaches, and an exact approach proposed by Pearn et al.

本文一开始会先回顾三个针对此类问题的方法，其中两种为大样本时的逼近方法，另一个则是由Pearn et al。

Chinese medicine is also useful to eat, you can eat at meat, the best drink spots like soup;; eat at pig soup, carp soup can, ah, I is not much,,, c months, twice the time to eat like a pig soup, wash your pig boiling add water directly, and not to put too much salt, preferably both on the net forepaw pig

吃中药也管用，，，你可以多吃点肉类，，最好多喝点汤之类的；；多吃点猪脚汤，，鲫鱼汤也可以啊，，我也是不多，，，三个月的时候吃了两次猪脚汤就好了，，你把猪脚洗净加水直接煮，，不要放太多的盐，，最好是净猪上的俩前蹄

This kind of planning should focus on ways in every area which allow you to avoid simply duplicating at a second-rate level what is done in front-running institutions and which allow you to create niche programs that stand out both in research and in teaching as truly competitive in their field.

我认为最重要的一点是：「品质」来自校、院、系三个阶层严谨的策略性规划，在每个层面保持原创，而不是照本宣科移植顶尖院校的成功模式，才能建构在教学和研究两方面都一枝独秀的课程。

Full recovery may take two to three months.

全面恢复也许需要两到三个月。

C The mature male gametophyte consists of three cells resulting from two meiotic divisions.

成熟的雄配子体包括的三个细胞是由两次减数分裂而来的

Bailyn's third proposition suggest two general patterns prevailing among the many thousands of migrants: one group came as indentured servants, another came to acquire land.

Bailyn的第三个观点是，成千上万的移民中最常见的是两种普遍类型：一组是签约的仆人，另一组是为土地而来。

The two have had three children, Amy, Holly, and Harry, who have also appeared in several of Gilliam's films.

两人育有三个子女，Amy，Holly和Harry，他们也在数部吉列姆的电影中有过出镜。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。