六个

Permission to accept employment for practical training may be granted by the INS in increments of not more than 6 months each, not to exceed 18 months total.

移民归化局许可学生从事实际训练每次期限不得超过六个月，加上延长期也总共不得超过十八个月。

Ease of possession is connected with price, which includes the initial cost and two other issues as well: 1 financing terms, interest rates, lines of credit and/or acceptance of credit cards, and 2 warranties-will the customer's VCR break down six months from now or can he or she expect it to operate trouble-free for several years?

便于占有量与价格，其中包括最初的费用以及其他两个问题：1融资条件，利率，信贷额度和/或接受信用卡和2保证将客户的录象机破裂，从现在起的六个月或他或她期望它能经营摆脱烦恼几年？

B the provision of services, including consultancy services, by an enterprise of a contracting state through employees or other engaged personnel for the aforementioned purpose, provided that the period for such activities is continually or aggregately more than 6 months within any 12-month period.

缔约国一方企业通过雇员或者雇用的其它人员，在缔约国另一方为同一项目或相关的项目提供劳务，包括咨询劳务，仅以在任何十二个月中连续或累计超过六个月的为限

The result suggested that Silkies had several maternal ancestors. It was the result of long artificial selection in different place.2. There were 39 mutation sites in mtDNA HVS-I of 124 individuals; it could be divided into 34 haplotypes.

124个常羽乌骨鸡的线粒体D环高变区序列中共有39个变异位点，可分为34种单倍型，从中可以看出常羽乌骨鸡的母系来源类型很多，至少有六个不同的原鸡母系来源。

Jordan and Pippen played with each other for nine seasons from the late 80's until the late '90s. Together, they led the Bulls to 6 championships, in two different sets of three peats.

自上世纪八十年代末至九十年代末，这对组合一共一起为公牛队效力了9个赛季，并为公牛队拿下六个总冠军奖杯，而且是两个不同的三连冠。

In the past decade six of the ten best-director Oscars went to Americans and five of the best-actress Oscars, a decline from the 1970s-90s when Americans won almost everything.

过去的十年，十个最佳导演奖就有六个被美国佬收入囊中，且有五个最佳女主角奖被他们摘走，在上世纪70时代-90年代美国人几乎捧走了所有的奥斯卡金人，呈现了一种下降的态势。

Re-check renal function and serum electrolytes 1, 3, and 6 months after achieving maintenance dose, and 6 monthly thereafter.

在服用维持量期间的第一个月、第三个月和第六个月各复查一次肾功能和血清电解质。

For example, a cube is made up of six quadrilaterals where each vertex is shared by three polygons, but a different normal should be used for each of the three instances of each vertex, but a sphere is made up of many polygons where all vertices have common normals.

例如，一个立方体是由六个四边形组成，而每一个顶点被三个多边形共用，但是每一个顶点的三个实例应该使用不同的法向量，而由许多多边形组成的球，其所有顶点就有同样的法向量。

I seated in front of my computer,open the MSN radom as usual,and chatting with one of my foreigner friends,we have six hours gap time.Thank goodness,finally have afriend is willing to chat with me,can share the long-night with me.

像往常一样，坐在电脑面前，不由自主的打开了MSN，观到线上还有几个国外的朋友，顺便跟一个朋友聊天了，我们的时差只是相差六个小时，还好，终于有个朋友陪我聊聊天，这样可以打发漫长的夜。

The software has been deployed at six units in Lahore and two in Gujranwala and is being deployed at five units in Karachi.

该软件已被部署在六个单位在拉合尔和两个在吉兰瓦拉，并正在部署在5个单位在卡拉奇。

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。