二的例句大全

Boron trifluoride complexes with acetic acid, deity ether or pheno

三氟化硼与醋酸、二乙醚或酚的络合物

At the onset of the war, he had emerged from obscurity with enough money to buy a small swift boat and now, when blockaded goods realized two thousand per cent on each cargo, he owned four boats.

当战争爆发时，他从默默无闻中突然冒了出来，用手头的钱买了一条小小的快艇，而现在，封锁线货物的利润已增加到二十倍，他也拥有四条船了。

An adolescent girl wearing bobby socks ( common in the 1940s).

穿警靴的青春期女孩（多在二十世纪四十年代）。

Traditional quality of service ( QoS) can be parted into int-serv and diff-serv. The former provides a relative QoS guarantee while the later provides absolute QoS guarantee. Both can boil down into a priority queue algorithm.

传统的服务质量（QoS）算法分为差别服务和集成服务两种，前者提供相对的服务质量保证，而后者则可以提供绝对的服务质量保证，二者最终都可以归结为优先队列算法。

Xylene ammoxidation Catalysts were prepared by using different pretreatment methods of catalyst carrier and different soak conditions of active components, and the catalytic property was studied by boiling bed reaction. Based on many useful information, the optimal preparation methods and factors was obtained.

采用不同的载体处理方法和活性组分浸渍条件制备了二甲苯氨氧化反应催化剂，并用沸腾床反应对催化剂性能进行比较研究，得到了较佳的制备方法与条件。

One company leading the way is clothing care label manufacturer Avery Dennison, who have teamed up with fashion label Rochambeau and Evrthing to create a bomber jacket with a personalised QR code.

该技术的领导者——衣物护理标签制造商艾利丹尼森公司，携手时尚品牌Rochambeau和Evrthing共同打造了一款具有个性二维码的紧腰短夹克。

Conceived as a strategic bomber after the Second World War, it has been recast many times.

作为第二次世界大战战后的战略轰炸机，其多次被重新改造。

Lead in the plating layer of high voltage diodes on the basis of a zinc borate glass body.

以硼酸锌玻璃体为基础的高压二极管的电镀层的铅；

Three possible structure models and two possible structure models were suggested to explain the effects of PbO and Bi_2O_3 on borate glass networks respectively.

Bi2O3在Bi2O3-B2O3二元系统玻璃网络中起网络形成体作用，根据Bi2O3含量的不同，提出了两种可能的玻璃结构模型。

A preliminary dynamic management model for the second generation of European corn borer

防治二代欧洲玉米螟的动态模型

Transformation of boron oxide b_2o_3 under high pressure and high temperature

高温高压条件下三氧化二硼相变过程的研究

The condition and method for determing zinc oxide and boron trioxide in zinc borate by direct complexing titration is introduced.

介绍了采用直接络合滴定法测定硼酸锌中氧化锌和三氧化二硼的条件和方法。

Methods for chemical analysis of aluminium oxide& The curcumin photometric method for the determination of boron trioxide content

GB/T6609.16-1986氧化铝化学分析方法姜黄素光度法测定三氧化二硼量

A novel approach to analyze boron trioxide content in zinc borate

硼酸锌中三氧化二硼含量测定的新方法

A novel approach to analyze the content of boron trioxide in zinc borate was established using bromocresol green-methyl red mixture as indicator to determine the titration starting point.

建立了一种测定硼酸锌中三氧化二硼（B2O3）含量的新方法，即以溴甲酚绿甲基红混合指示剂来确定硼酸的滴定起点。

Two step rapid thermal boron diffusion making micro resistor

二次硼离子热扩散制作微电阻

The Design of Branched Structure of Water Supply And Power Station Tunnel with Concrete Lining in Fenhe Reservoir ⅱ

汾河二库供水发电洞混凝土岔洞结构设计

Later, Andrew became a messenger boy for$ 2.50 a week.

后来，安德鲁成为一名小邮递员，每星期挣二美元五十美分。

The second part was the braking distance test system.

第二部分，制动距离检测系统设计。

Abstract Based on the practical example of port site selection at the branched channel of the mid& downstreams of the Yangtze River, the relationship between port site selection and waterway evolution of both single river section and branched channel are introduced.

结合长江中下游分汊河道港口选址实例，就单一河段和汊道二部分，论述港址选择与河道演变的关系。