两三个

The integrated system is composed of SINS and GPS, each subsystems navigational parameter is sent to navigation computer. At there the azimuth and attitude angle error is estimated by Kalman filter, then be used to adjust the attitude matrix of SINS.

组合系统由SINS、GPS两个系统构成，各子系统的导航信息输出至导航计算机，应用卡尔曼滤波方法估计三个方向的失准角，并对SINS系统的姿态矩阵进行校正。

Option One: a multi-polar set of ordinary water pipe installation balancing valve hole ① in charge of water pipe line and the 20-hole HVAC balancing valves installed ② Install a balancing valve in the shaft exit ③ air box installed in each balancing valve ④ In each of the tenants on the installation of balancing valve outlet Option Two: Using the Dynamic Balance valve ① fan coil unit installed in the end of the balancing valve ② air-condition the box at the end of the balancing valve is installed After the economic comparison, the final adoption of the balance valve program ① air box end of the installation of balancing valve and the automatic control valve ② retail and office space within the District, a combination of two or three fan coil balancing valves and automatic control valves, each fan coil outside the district office for personal use of a balance valve and automatic control valve 3, balance valve application summary ① long pipeline DRS installation of large multi-level system price higher than the end of the normal balance valve device a dynamic balance valve.

方案一：多极设置普通水管井间安装平衡阀①在主管线与20个暖通水管井间安装平衡阀②在竖井出口位置安装平衡阀③在每个空调箱上安装平衡阀④在每个租户的出水口上安装平衡阀方案二：使用动态平衡阀①在末端装置风机盘管上安装平衡阀②在末端装置空调箱上安装平衡阀经过经济比较，最终采纳的平衡阀方案是①空调箱末端安装平衡阀及自控阀②零售和内区写字楼两或三个风机盘管合用一个平衡阀及自控阀，外区写字楼每个风机盘管自用一个平衡阀及自控阀 3、平衡阀应用总结①长管线异程大系统多级安装普通平衡阀价格高于末端设备一级动态平衡阀。

Option One: a multi-polar set of ordinary water pipe installation balancing valve hole ① in charge of water line and the 20-hole HVAC balancing valves installed ② Install a balancing valve in the shaft exit ③ air box installed in each balancing valve ④ In each of the tenants on the installation of balancing valve outlet Option Two: Using the Dynamic Balance valve ① fan coil unit installed in the end of the balancing valve ② air-condition the box at the end of the balancing valve is installed After the economic comparison, the final adoption of the balance valve program ① air box end of the installation of balancing valve and the automatic control valve ② retail and office space within the District, a combination of two or three fan coil valves Valves and Controls, for personal use outside the district office for each fan coil unit and automatic control valve of a balance valve 3, balance valve application summary ① long pipeline DRS installation of large multi-level system price higher than the end of the normal balance valve device a dynamic balance valve.

方案一：安全阀多极设置普通水管井间安装平衡阀①在主管线与20个暖通水管井间安装平衡阀②在竖井出口位置安装平衡阀③在每个空调箱上安装平衡阀④在每个租户的出水口上安装平衡阀方案二：使用动态平衡阀①在末端装置风机盘管上安装平衡阀②在末端装置空调箱上安装平衡阀经过经济比较，最终采纳的平衡阀方案是①空调箱末端安装平衡阀及自控阀②零售和内区写字楼两或三个风机盘管合用一个平衡阀及自控阀，外区写字楼每个风机盘管自用一个平衡阀及自控阀 3、平衡阀应用总结①长管线异程大系统多级安装普通平衡阀价格高于末端设备一级动态平衡阀。

It mainly analyzes two theme parks designed by landscape architects – bamboo garden and vine garden, investigates the problems of our contemporary garden design, and brings forward the ideas and methods for developing and innovating landscape architecture.

通过辩证地分析法国巴黎拉维莱特公园的设计手法、建设背景，总结出值得借鉴的三个设计观点；重点分析由园林师设计的两个主题园——竹园和藤架园，并结合我国当代园林发展所存在的问题，提出我国园林行业发展创新的思路与方法。

The two courts in Jiangsu are near Lake Tai, considered one of the three most polluted lakes in China; in 2007, it saw a toxic-algae bloom that made headlines around the world.

江苏的两个环保法庭设在太湖附近，太湖被认为是中国污染最严重的三个湖泊之一。在2007年，太湖的蓝藻爆发事件登上了世界各地新闻的头版头条。

The two courts in Jiangsu are near Lake Tai, considered one of the three most polluted lakes in China; in 2007, it saw a toxic-algae bloom that made headlines around the world.

江苏的两个环保法庭设在太湖附近，太湖被认为是中国污染最严重的三个湖泊之一。

But the main service work was carried out in the first two periods. After1949, because the ideology influence and the worsening relationship between China and American, the border service work fell into the difficult position gradually.

边疆服务经历了抗日战争、解放战争和新中国建立初期这三个不同的时期，但主要服务工作是在前两个时期开展的。1949年以后，由于新中国意识形态的规定性及中美关系的恶化，边部工作逐渐陷入困境。

Two out of three points more than 2σ from center line same side

检验5。连续排列的三个点中有两个距离中心线超过2σ同一侧

Bonporti's Sonata or Chamber Aires in three Parts for two Violins and a Through Bass compos'd by Francisco Antonio Bomporti Opera Seconda ...

邦波尔蒂的奏鸣曲或分布宜诺斯艾利斯两个小提琴和三个部分，通过低音的旧金山歌剧院Seconda安东尼Bomporti 。。。

There are three buttons mounted on the casing, namely two big ones on each side of the clock and the clock winder itself.

有三个按钮安装在套管，即两个大的每一方的时钟和时钟发条本身。

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。