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The author also describes the framework and communications system of SCADA, such as server, RTU, DDN and GPRS etc.是什么意思？

The author also describes the framework and communications system of SCADA, such as server, RTU, DDN and GPRS etc.

著重描述SCADA系統(tǒng)的軟硬件結構及通信系統(tǒng), 包括實時數(shù)據(jù)采集服務器、歷史數(shù)據(jù)服務器、遠程控制單元RTU 、 DDN網及GPRS傳輸?shù)?

the

art. 指已提到的人（物），指說話人與聽者已知的人（物），用于獨一無二的事物前，與形容詞最高級和序數(shù)詞連用；

author

n. 著作家，作者，創(chuàng)造者，發(fā)起人；vt. 創(chuàng)作出版；

also

adv. 也，同樣，并且；conj. 另外；

describes

v. 描寫( describe的第三人稱單數(shù) )，敘述，畫出（圖形等），形容；

framework

n. 構架，框架，（體系的）結構，機構，組織；

and

conj. 和，與，而且，于是，然后，因此；

communications

n. 通信，交流( communication的名詞復數(shù) )，交際，信息，通信工具；

system

n. 體系，系統(tǒng)，制度，身體，方法；

of

prep. 關于，屬于…的，由…制成；aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣]；

such

det. 這樣的，那樣的，如此，這樣；

as

adv. 同樣地，一樣地，例如；prep. 作為，以…的身份，如

server

n. 服務器，侍者，上菜用具，發(fā)球者；

DDN

abbr. Defense Data Service 數(shù)字數(shù)據(jù)服務，防衛(wèi)數(shù)據(jù)網；

etc

adv. 等等及其他，諸如此類；abbr. [拉丁語]et cetera（常讀作 and so forth）；

...the spiralling vortex airflow that slows the plane.
使飛機減速的螺旋形氣流渦旋

You just go on ahead. I'll come by later...
你只管先往前走。我隨后就來。

He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打兒子的,是恨惡他;疼愛兒子的, 趁早管教.

For further information, please contact 414 3925, extension 2253.
詳情請致電414 3925,轉分機2253。

He sat there while I made the case for his dismissal...
他坐在那兒，聽我陳述解雇他的理由。

Baroness Thatcher's claims seem credible to many.
撒切爾女男爵的主張在很多人看來是可信的。

Nothing to be got without pains but poverty.
一份耕耘，一份收獲。

This decree obliges unions to delay strikes.
該法令迫使工會推遲罷工。

The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索權當有支付義務的第一方不能支付時，可以向商業(yè)票據(jù)的背書人要求支付的權力。

Driect line 、 ISDN 、 DDN 、 Frame relay 、 ADSL 、 Broadband 、 Hunting line. 、 E 1、 PRI and so on.
如:直線電話、ISDN、DDN、幀中繼、ADSL、寬頻線路、模擬中繼線路、數(shù)字中繼線路(E1及PRI)等.

DayStar Technologies is still attempting to raise finance to secure equipment for its first production line.
該公司技術人在試圖融資來保證第生產線設備的良好運轉.

As a telecommunication apparatus company DDD Company is very different from our trade company.
DDD公司是一家電訊器材公司,與偶們公司的貿易公司有很大區(qū)別.

The features and running way of DCL are introduced briefly.
介紹了DCL語言的特點及運行方式.

This paper introduces a DDC ( Direct Digital Control ) temperature system.
介紹一種DDC ( 直接數(shù)字控制 ) 溫度系統(tǒng).

From the List Files of Type lst , choose dBase DBF.
從列表文件類型善堂, 選擇數(shù)據(jù)庫庫.

Appearance ( 3 d effect ) of grid lines in Datasheet view.
“數(shù)據(jù)表”圖中網格線顯示外觀 ( 三維效果 )

I discovered some new information in the database.
我在資料庫里發(fā)現(xiàn)了一些新信息.

In Latin, several verbs govern the dative.
在拉丁語中, 有些動詞要求與格的賓語.

It was still daylight but all the cars had their headlights on.
還是大白天，但所有汽車的前燈都亮起來了。

A coarse, poisonous plant ( Datura stramonium ) having large, trumpet - shaped white or purplish flowers and prickly capsules.
曼陀羅一種粗糙, 有毒的植物 ( 曼陀羅曼陀屬 ),有很大的喇叭狀白色或紫色的花和帶刺的莢.

Marx treat capitalist industrial organization in the view of Darwinism.
馬克思以進化論的觀點來看待資本主義的產業(yè)組織.

IC - RT - PCR and RT - PCR were more sensitive than DAS - ELISA.
從檢測的可靠性來看,在春季所檢測的8個無癥品種中,RT -PCR 和IC-RT-PCR全部檢測出了GLRaV一3,而DAS一ELISA僅檢測出其中的6個.