查询词典 heading

The heading determination model based on two total positioning systemis used to calibrate the ship alongshore heading together with the GPS attitude determination equipment, time synchronization system via receiving GPS second pulse to synchronize the two kinds of data is also designed.

结合GPS姿态测量设备，通过采用数据插值融合技术，进行舰船组合航向测量。为了提高组合航向测量的精度，设计了通过接收GPS秒脉冲对两种航向测量数据进行时间同步的系统。

To create a heading row in an existing table that does not have one, you need to apply an AutoFormat that does have a heading defined.

若要在没有标题行的现有表格中添加标题行，你需要应用一个定义了标题的自动格式套用。

In order to ensure the precision and reliability, this paper designs the GPS/Loran C/SINS/AHRS integrated system. In this integrated system, the self-adaptive federated Kalman filter is introduced to revise strap-down inertial navigation system; the heading angle attitude and heading reference system is used to ensure the convergence of heading angle; and the coordination transformation for Loran C is applied to eliminate the constant error of Loran C.

针对导航精度及可靠性，设计了GPS/罗兰C/SINS/AHRS组合导航系统，该组合导航采用了自适应联邦卡尔曼滤波的方法，通过闭环形式校正SINS，并用姿态航向参考系统代替捷联惯性导航系统输出的航向角以保证航向角的收敛，同时对罗兰C的测量值进行坐标变换以消除由于坐标系不同而带来的常值误差。

The main results as follows:1. Dry weight of heading stage showed a parabolic curve relationship with yield. And grain yield correlated well with dry matter accumulation after heading and total dry weight of muturing stage. The accumulation of dry matter from N-n to heading stage correlated with photosynthetic potential.

水稻抽穗期干重与产量呈抛物线关系，抽穗后干物质积累量和成熟期总干重与产量均呈极显著线性正相关。N-n期至抽穗期干物质积累量随着光合势的增加而增加，两者相关达到显著水平，而与净同化率关系不密切。

In the streets,sleepy-eyed people were moving quickly,heading towards their 26 .This was the beginning of another 27 day in New York City. 28 this day was to be different.

人们正在上班的路上，但上班的人并不是都坐办公室。heading towards的意思是"出发；动身"。

The entrance section of FuXi Double-arched Tunnel is modeled in the fact of factual shallow buried and unsymmetrical pressure condition. Adopting the three heading construction method to simulate twelve kinds of construction projects, confirm reasonable construction orders and left and right tunnel face interval, systematically analyze and research the changing law of the tunnel deformation and surrounding rock stress in soft and cracked condition of surrounding rock,bring forward pertinent advices against construction disease; Build the deep buried tunnel model in middle section of tunnel , separately adopt the central heading bench cut benching method and the central heading full cross method to simulate ten kinds of construction projects, establish the reasonable construction orders, sidestep length and tunnel face interval, which are due to the deep buried tunnel, systematically analyze and research the change law of the tunnel deformation and surrounding rock stress in the section with good surrounding rock condition, bring forward the reasonable construction projects which can make sure of construction safety and save construction time; Because the central wall is disturbed many times during constructing process, its displacement and stress distribution is very complex.

富溪隧道进口段依照实际的浅埋偏压状况建立模型，采用三导洞法开挖模拟了12种方案，确定了合理的施工顺序和左右主洞掌子面错距，系统地分析研究了软弱破碎围岩浅埋偏压段施工的隧道变形和围岩应力变化规律，提出了防止施工病害的针对性建议；洞身段按深埋隧道建立模型，分别采用中导洞台阶法和中导洞全断面法模拟了10种方案，确立了适合深埋隧道的合理施工顺序、台阶长度和掌子面错距，系统分析研究了围岩较好深埋段施工的隧道变形和围岩应力变化规律，提出了兼顾施工安全和节省工期的合理施工方案；由于受到多次扰动，中隔墙的位移和应力变化规律较为复杂，通过对各种方案的对比分析，得出了中隔墙在施工不同阶段的位移变化规律、应力变化规律和应力分布规律，尤其对于浅埋偏压段隧道施工时中隔墙位移和应力变化规律做了深入研究，提出了合理的施工建议。

The leaf area index, photosynthetic potential and dry matter accumulation were lower for the SHY rice than those for the CK at the early growth stage, and their differences were not significant between the two rice types at heading, and were greater for the former than the later after heading. The root-shoot ratio at each growth stage, root bleedings from heading to maturity, grain-leaf ratio, translocation percentage of the matter from stems and sheaths and harvest index of SHY rice were greater than those of CK.

超高产水稻各生育时期的根冠比、抽穗至成熟的根系伤流量以及粒叶比、茎鞘物质运转率和收获指数均显著高于CK；超高产水稻花后叶面积指数、剑叶叶绿素含量、光合速率、PSⅡ最大光化学效率均显著高于对照，非光化学猝灭系数显著低于对照。

Cold Heading workshop available system 13mm diameter of the four-mode four red multi-molding machine Cold Heading 1 Units, 4 ~ 16mm One Modulus two red cold heading machine four Units, 6 ~ 12mm automatic rolling machine 3 Units , 16mm Automatic Trimming Machine Units 1 and Units with more than 30 car dashboard.

冷镦车间现有可制直径13mm的四模四冲多工位冷镦成型机一台，4～16mm一模两冲冷镦机四台，6～12mm自动搓丝机3台，16mm自动切边机一台，并配有三十多台仪表车。

Then, an implementation scheme is designed in which three most popular heading measurement methods, i.e., magnetic heading, strapdown heading and GPS heading, are integrated into a mini system. The strong and weak points of these methods are analyzed, and a practical heading approach based on data fusion is provided.

设计了地磁航向、捷联航向、GPS航向等3种常用的航向测量手段在微小型系统中的实现方案，分析了其各自的优、缺点，提出了一种实用的、基于数据融合的航向获取方法。

Companies cold heading machine products mainly Z41-4 | 20 series and more power-nut cold heading machine, Z12-4 | 20 double-click on the whole series-cold heading machine, two-three-, two-and four-Z23 series of automatic machine Trimming machine, Z 25 Automatic Roll machine, and according to the customer need to develop, the special purpose of the restructuring of professional cold heading machine.

公司冷镦机系列产品主要有Z41-4|20系列多功位螺母冷镦机，Z12-4|20系列双击整模冷镦机、二模三冲、二模四冲机及Z23系列自动切边机、Z 25系列自动搓丝机，并可根据客户需要制定、改制特殊用途的专业冷镦机。

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。