二的例句大全

Last December, I were to Boston to visit my parents. One day, when I was skating at Boston Common,

去年十二月，我去波士顿探望我父母.有一天，当我正在波士顿公园滑冰的时候，

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

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

Boron trichloride has been used in a new process for etching stannic oxide films ( non-isothermal plasma) which is capable of etching 1.5 micron lines with excellent resolution and high precision.

本文采用三氯化硼作反应试剂，研究一种新的蚀刻二氧化锡薄膜工艺.此工艺可以蚀刻1.5μm的线条，其分辨率好且精度高。

With the partial government shutdown entering its second week, the White House is indicating it might be open to a short-term increase in the nation's borrowing authority.

由于部分政府关闭的情况已经进入第二周，白宫表明可能会开放短期上调美国借款授权。

It is shown that the strengthening mechanism of the composites are secondly phase strengthening and grain refining, and the toughening mechanism is a synthetic effect in terms of grain refining, microcrack forming, crack deflection and crack branching.

ZrO2颗粒通过第二相强化和细化晶粒使复合材料强度得到提高，通过细化晶粒、裂纹偏转和分支、形成微裂纹等机制的综合作用增韧复合材料。

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

C_ ( 20), C_ ( 25) and C_ ( 30) Highly Branched Isoprenoid Alkenes in The Branched and Cyclic Hydrocarbon Fractions of Qinghai Lake Sediments

青海湖沉积物支链和环烷烃组分中C（20），C（25）和C（30）高度支链类异戊二烯烯烃

Removal of the second branchial cleft cyst using a retroauricular approach

耳后区进路切除第二鳃裂囊肿8例分析