二的例句大全

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。

Causes to roll breakage of two high rolling mill in plate mill and preventative measures

轧板厂二辊轧机断辊原因及防范措施

Thirdly, we quantify the power penalty caused by the PMD in optical subcarrier multiplexing ( OSCM) system with amplitude shift keying ( ASK) and binary phase shift keying ( BPSK).

第三，对采用不同调制格式（包括幅移键控和二进制相移键控）的光副载波复用（OSCM）系统中，PMD引起的功率代价进行了量化。

At present, many researches about all-optical wavelength converters only based on the signal modulation formats of binary amplitude shift keying ( OOK) and differential phase shift keying ( DPSK), but it is very few to the signal modulation format of polarization shift keying ( PolSK).

目前，全光波长转换器的研究主要集中在二进制振幅键控（OOK）和差分移相键控（DPSK）信号调制格式，对于偏振移位键控（PolSK）信号调制格式全光波长转换的研究很少。

Second, the paper analyzes the single-pulse modulation which includes pulse amplitude modulation, on-off keying modulation, pulse position modulation and two-phase modulation.

其次分析了单脉冲调制中的脉冲幅度调制、开关键控调制、脉冲位置调制和二相调制。

The design was implemented with binary phase shift keying ( BPSK).

设计的系统采用二相键控（BPSK）方式实现。

A QPSK blind sequence detection algorithm based on the ε-equalization principle is proposed. The algorithm can formulate the quadrature phase shift keying blind sequence detection into a quadratic programming with integer constraints.

给出了基于ε-均衡准则的QPSK序列盲检测算法，该算法将QPSK序列盲检测问题转化为带整数约束的二次规划问题。

Demodulation of binary frequency shift keying in digital communication

二进制移频键控在数字通信中的解调

Art and Design Reference Room is located in Foreign Collections Room on the second floor.

艺术设计资料室位于二楼外文室里面。

The manned spacecraft and carrier rocket for the Shenzhou-12 manned space mission have arrived at the Jiuquan Satellite Launch Center in northwest China.

神舟十二号载人飞行任务的载人飞船和运载火箭已抵达中国西北部的酒泉卫星发射中心。

The evolution regularity of the second-order correlation function and average coincidence counting rate are obtained by numerical calculation.

数值计算得到了二阶相关函数及平均符合计数率的演化规律。

They are extra kind to dogs and feed them well as it is believed that the second day is the birthday of all dogs.

他们会善待小狗，给它们喂食，据说新年第二天是所有狗的生日。

The feeding reservoir group of Bao'an district, Shenzhen city is taken as a real case, relative water deficiency ratio with weight coefficient is chosen as the target, a bilevel Decomposition-coordination model is built and the feasibility is proved.

并以深圳市宝安区供水库群为研究对象，选择带有权重的相对缺水率最小为目标函数，建立了二层分解协调模型，验证了模型的可行性。

Joey: OK... my weirdest place would have to be... the women's room on the second floor of the New York City public library.

好……我最怪的地方应该就是……纽约市立图书馆二楼的女洗手间。

After the specified latency, events are dropped into a second holding area to build up a unit of work.

经过特定的延迟后，事件被放入第二个容纳区域，以构建一个工作单元。

Cultivating talents as a support and rejuvenating themselves by their features to break through the bottle neck of the development of local universities;

其二是以人才培养为支撑，突出特色兴校，打开地方高校自身发展的瓶颈；

A simulation experiment using the fracturing of two-dimensional brittle glass plates is designed to study the propagation process of fracture in a brittle medium.

设计了一个二维脆性玻璃板的破裂模拟实验，以研究脆性介质的破裂传播过程。

The structure of compoud 4 consists of left-handed and right-handed helical chains that are connected through bridging oxygen atoms to form a two dimensional layer structure.

该化合物由四面体ZnO3N、假四面体HPO3相互连接形成左手和右手螺旋链，这些螺旋链之间通过桥氧原子连接形成二维层状结构。

The brimstone furnace is one of the main installations in producing the sulphur dioxide in sugar production project.

燃硫炉是制糖工业中用来制备二氧化硫气体的主要设备。

In the second example with the24-inch-diameter brine tank, determine the height a grid should be for a60-pound salt setting.

在第二个例子当中，使用的是24英寸直径的盐箱，根据60磅盐的量来觉得盐格栅的高度。