查询词典 KA

They reveal the paleoceanographic and paleoclimatic evolutionary history during the Neogene in the high latitude of the North Atlantic, find the millennial timescale climatic variability during the early Pleistocene "41 ka world" and couple the oscillation between surface temperature and deep water during the glacial periods, indicating the climatic instability of deglaciation during the glacial and interglacial cycles.

它们揭示了北大西洋高纬度海区新近纪的古海洋学和古气候的演化历史，发现了早更新世"41ka世界"千年尺度的气候波动，以及冰期表层水温与深层水的耦合颤动，说明冰期旋回中冰消期气候的不稳定性。

In chapter 4, a study of GaAs FET doubler is presented, and experimental verification the doubler is work well in Ka-band.

首先对肖特基二极管做了简介，然后对已有的混频器电路做了比较，最后设计了Ka频段平衡混频器。

Third, we make a Ka band doubler according to the simulating results and measure it.

输出端使用标准波导形成高通滤波器，抑制了21GHz以下的信号。

The Ka-26 is normally equipped for single-pilot operation, but dual controls can be fitted if desired.

这家通常配备26为单驾驶员操作，但双重控制可安装如果需要的话。

Effect of sand and dust storms on Ka-band electromagnetic wave propagation along earth-space paths.

沙尘暴对地空路径上Ka频段电波传播的影响。

In this paper, effects of atmospheric factors to Ka-Band earth-space links are analyzed, and the total fade distribution function is derived. With the scintillation prediction model, monthly averaged standard deviations and monthly percentage time averaged fade of scintillations for some of referential earth stations of our country are computed.

摘要本文分析了各气象因素对Ka-波段地空链路衰减特性的影响，得出了链路综合衰减分布函数，利用闪烁预测模型计算了全国各参考站点的闪烁月平均标准偏差和月百分比时间平均衰减值。

The method is proved to be effective by the experiment in the 160 kA spot blanking premelting anode aluminum electrolytic cell.

在160 kA点式下料预焙阳极铝电解槽进行实验，结果证明了该方法的有效性。

Report from our correspondent (Li Jinlei of reporter of exercitation of reporter Yu Jie) Xiaoli is collected indicate shop on the net of the password Jin Ka, put beforehand inside have hundred thousands of yuan, but the express fee that hundreds yuan must collect additionally first after entry website shops, cannot deliver goods otherwise.

本报讯(记者于杰实习记者李金磊)小李捡到标明密码的网上购物金卡，里面预存有几十万元，但登录网站购物后必须先另外汇数百元的快递费，否则不能发货。

We found that the permeability ratio and GMI ratio depend on external magnetic field, peaking at a transverse anisotropic field of H=0.4 kA/m.

并发现有效磁导率比随外磁场的变化，在各向异性场H≈0.4kA/m处出现了峰值，GMI效应也在此磁场的位置处出现峰值。

The facia and inner shell of doors are curvy, artistically styled like Ford Ka.

前脸和内饰具有曲线感，和福特 Ka 一样独特的设计风格。

They experience feelings deeply and intensely, and their emotions are often mercurial.

他们的感情深刻而强烈，情绪善变。

Surrounded with or as if with a rampart.

用城墙围绕的用城墙围绕的或类似于为城墙围绕的