ascending tract是什么意思

网络释义

用法例句

Uplink beam simulation for the laser relay mirror system;

激光中继镜系统的上行光束模拟

A Novel Pre-compensation Scheme in Uplink MC-CDMA/TDD Systems;

上行MC-CDMA/TDD系统中的新型预补偿技术

This paper analyzes the standard of TD-SCDMA and elements of SA, and with homogeneous circular smart antenna of eight arrays as an example, examines TD-SCDMA uplink capacity from system level.

文中在对TD-SCDMA系统标准理解和智能天线原理分析的基础上,以8阵元均匀圆阵的智能天线为例从系统级对TD-SCDMA系统的上行容量进行了分析,结合仿真结果给出了智能天线对系统容量的影响。

Proposes a novel channel estimation algorithm for multi-carrier code division multiplex access (MC-CDMA) systems on the uplink.

提出了一种新颖的适用于多载波码分多址接入(MC-CDMA)系统上行链路的信道估计算法。

An upward slope, as of a hill.

上行坡上行坡，如小山坡

Marching all day, and marching all night.

白天行进，晚上行进。

satellite uplink and downlink services

卫星上行及下行服务

add/drop multiplexer

上行/下行多路复用器

carry on the back or shoulders.

骑在背上或肩上行进。

translate into actio

变成行动，落实在行动上

The market has risen.

行情俏拔行情上涨。

Sail up a river, ie against the current

向上游航行（逆流行驶）

Planets roll on their courses.

行星在轨道上运行。

The market fell (rose).

行情下跌（上涨了）。

in the path of; in the way of

在..行经的路线上

row, swim, walk upstream

往上游划、 游、 行走

glide on the water in a hydroplane.

水上飞机在水上滑行。

She travelled over land and sea.

她在陆上和海上旅行。

I put labels on my baggage.

我在行李上贴上标签。

attach a label to each piece of luggage

每件行李上都加上标签

Of or relating to execution or administration; executive.

行政的，有效的行政上的或关于行政上的；有效的

is closed to cars and roads may be used by bicycles only.

是车辆禁行日，道路上只许自行车通行，