The within-day precision was less than 8.9 % and 10.55 % for AA and DHAA, respectively.

Meanwhile , the errors can be as large as hundred meters under the single-closed strategy.

在单关闭策略下, 显著之DGPS误差可达上百公尺.

DGPS method can be applied to forest survey in mountainous area in South China.

差分GPS定位技术在南方山区林业调查应用是可行的.

An optical communication system with both EDFA and B DFRA is introduced.

考察了后向抽运分布光纤拉曼放大器(BDFRA)对光通信系统传输性能的改善.

This photo was entirely different , and yet something about the scenario felt disquietingly familiar.

这张照片和上次那张虽然毫不相干, 但是情形却如此相似,叫人不寒而栗.

Pero hay que rese? ar que por detr á s est á n saliendo otros grandes jugadores como Jos é Callej � � n.

此外,比如说,马塔现在在巴伦西亚也是一名非常重要的球员.

Oh shock of white in Depp's hair?

哦,戴普头发上的一道闪电白?

When Depp was twelve years old, his mother bought him a guitar.

戴普12岁时, 妈妈给他买了一把吉他.

Under the support of Sino-Euro cooperative project — ANFAS, this dissertation studies thegeneration of DEMs using space-borne InSAR.

在中欧国际合作第五框架中“ANFAS”项目的资助下, 本文开展了基于星载合成孔径雷达干涉测量技术的DEM生成的研究.

However, the features of topographic information of these DEMs have not been clarified.

然而, 对于这些DEM数据 的地形信息容量特征却未能从理论上予以阐明.

Different spatial scales ( scale and resolution ) DEMs have great difference in the precision of terrain description.

不同空间尺度 ( 比例尺、分辨率 ) 的DEM在地形描述精度上有很大差异.

These DEMs have been used in many departments of our country.

这些高质量、多尺度的DEM产品已经在我国的经济建设中被广泛的应用.

Methods Gas chromatography, stationary phase : Chrosorb W AW DMCS 80～100 mesh coated with 10 % DEGS.

方法采用气相色谱法, 聚二乙二醇酯为固定相,涂布浓度为10%,载体为ChromosorbWAWDMCS80～100目的气相柱.

The image shows field of view of 66 degs . apparent angle.

这张图显示这个镜子的表观视场达到66度.

Methods: The method employed Gas Chromatography, Stationary Phose : Chrosorb W AW DMCS 80-100 mesh coated with 10 % DEGS.

方法: 采用气相色谱法, DEGS为固定相,涂布浓度为10%,载体为ChromosorbWAWDMCS80-100目的气相柱.

A novel preparation method to synthesize DEDB by using aluminium phosphotungstate catalyst was developed.

开发了一种用磷钨酸铝催化合成二甘醇二苯甲酸酯(DEDB)的新方法.

TheHCHs and DDTs in the Liao River originate mainly from the use of pesticides inagriculture.

六六六和滴滴涕是主要污染物,它们主要来源于农药的使用.

The distributions of DDTs and PCBs is very similiar, but HCHs is different.

DDTs和PCBs有极为相似的分布特征, 而HCHs的 分布特征则不尽相同.

The concentrations of HCHs , DDTs and PCBs were determined by gas chromatography ( GC ).

HCHs 、 DDTs及PCBs含量用GC法测定.

Organic chlorinated pesticide such as DDTs is one kind of typical global environmental pollutant.

有机氯农药DDTs是全球性环境污染物,对生态环境有严重影响.

The residual levels of DDTs, HCHs in soil were different with different utilization types.

土壤中DDTs 、 HCHs残留在不同土壤利用方式下有所不同.