(3)approach trench operations--digging trenches towards the enemy’s fortifications , then approaching under cover to make sudden attacks

(3)对壕作业，亦即近迫作业--对着敌人的坚固工事，挖掘壕沟，荫蔽接近敌人，突然发起冲击

In the 12th-13th century the fortifications were extended beyond the wall, the White Tower becoming the nucleus of a series of concentric defenses.

12～13世纪要塞向墙外扩展，形成以白塔为圆心，分内外两部分的防御要塞。

dislodge the enemy from their fortifications

把敌人从碉堡中逐出

fortifications that made the frontier inviolable.

边疆上牢不可破的防御工事

An explosive device used to destroy enemy personnel, shipping, fortifications , or equipment, often placed in a concealed position and designed to be detonated by contact, proximity, or a time fuse.

地雷，水雷一种用来摧毁敌军部队、船舰、碉堡或装备的爆破装置，通常安放在隐蔽处，由于接触、靠近或定时而引爆

Article 20 The following buildings and structures without the necessary fortifications against earthquakes shall be appraised for their earthquake-resistance capability in accordance with relevant State regulations, and the necessary measures of reinforcement shall be taken:

第二十条　已经建成的下列建筑物、构筑物，未采取抗震设防措施的，应当按照国家有关规定进行抗震性能鉴定，并采取必要的抗震加固措施:

the magistral line of fortifications .

防御工事的主线

Vast intricate systems of fortifications , defended localities, and anti-tank obstacles, block-houses, pillboxes and the like, laced the whole area

规模庞大的错综复杂的防御系统，防御据点，反坦克障碍物，碉堡和掩蔽设施等布满了整个地区。

The Reds took the fortifications by assault, put their astonished enemy on the run

红军攻占了这些堡垒，敌人仓惶奔逃。

The Romans, Byzantines, and medieval Europeans built defensive towers as part of the fortifications of their city walls (e.g., the Tower of London). Indian temple architecture uses towers of various types (e.g., the sikhara).

罗马人、拜占庭人和中世纪欧洲将用作防御的塔建成为城墙上防御工事的一部分(比如伦敦塔)。印度的寺庙建筑采用各种形式的塔(例如希诃罗)。

A cylindrical wicker basket filled with earth and stones,formerly used in building fortifications .

篾筐一种过去用于筑防御工事的装满泥土和石头的圆筒状柳条筐

fortifications of coastal defence in Ming dynasty

明代海防筑城

Battery:a park at the southern tip of Manhattan Island at the upper end of New York Bay in southeast New York. It is the site of early Dutch and English fortifications and of Castle Clinton, built in 1808 for the defense of the harbor.

炮台公园:曼哈顿岛南端的公园,位于纽约东南部的纽约湾北端。1808年为保护港口而建,早期荷兰和英国的防御工事及克林顿城堡就在此地。

There he created settings and costumes for court pageants, painted the Last Supper and designed military fortifications

他的工作是为宫廷庆曲活动设计背景与服装，这期间，他完成了《最后的晚餐》，并设计了一些军事防御工事。

His photo, stapled to sandbag fortifications , flutters in the breeze

他的照片被钉在沙袋堆成的堡垒上，在微风中飘动。

He spoke of vast secret stockpiles and fortifications that he had seen with his own eyes

他谈到了自己亲眼目睹的大量秘密贮备和防御工事。

He gazed with wonder upon the fortifications which make this place the Gibraltar of the Indian Ocean, and the vast cisterns where the English engineers were still at work, two thousand years after the engineers of Solomon

他瞻仰了那些使亚丁成为印度洋的直布罗陀的海防要塞，同时欣赏了那些巧夺天工的地下贮水池。两千年来，继所罗门王工程师之后，有好些英国工程师参加了这儿的修建工作。

We directed all our guns against the enemy fortifications

我们把炮口都对准了敌人的工事。

the walls and fortifications of cities, and towns, and so the heavens and harbors; antiquities and ruins; libraries; colleges, disputations, and lectures, where any are; shipping and navies

现各城镇之墙垣及堡垒要塞;观码头和海港、遗迹和废墟;现书楼和学校以及偶遇的答辩和演讲;现该国的航运船舶和海军舰队

In attacking and taking these cities, our army learned a complete set of tactics for taking strong fortifications

在攻克上述城市中，人民解放军学会了一套攻坚战术。

Analysis of Geological Disaster in Area of Submerged Civil Defence Fortifications Subjected to Air-attack in Wartime

战时空袭对淹没人防工程地区地质灾害影响分析

These fortifications were all built during the last war.

这些防御工事都是上次战争时修筑的.

These fortifications were built during the last war.’

这些防御工事是上次战争时修建的。

This would turn the Maginot Line and would not entail the losses likely to be sustained in a frontal attack against permanent fortifications

这种进攻也会绕过马奇诺防线，并且可以避免对永久性的防御工事正面进攻可能遭受的损失。

The process of planning or erecting earth fortifications .

筑墙计划或树立土制堡垒的过程

It is the site of early Dutch and English fortifications and of Castle Clinton, built in 1808 for the defense of the harbor.

1808年为保护港口而建，早期荷兰和英国的防御工事及克林顿城堡就在此地。

In the grueling, relentless 110-degree heat, the troops set up fortifications around their camp at Balad Air Base, a former Saddam facility.

巴拉德空军基地原是萨达姆的一个军事设施，如今美军士兵就在这里顶着110华氏度（约43℃——译者注）的灼人高温，沿着军营四周修建掩体。

Cannonsand explosives were far more effective than prior weapons of siege, blowing away many traditional fortifications .

大炮和炸药远比之前武器的包围更有效，因为它可以炸毁许多传统的防御工事。

After lunch take a stroll to the Belem Tower nearby -- one of the world’s most elegant fortifications .

饭后散步至附近的、世界上最典雅的防御堡垒之一--贝伦塔。

Administering Countermeasures of Social Problems Caused by Storm Fortifications in Jilin State-owned Enterprises Reform

吉林省国有企业改制攻坚引发的社会问题治理对策