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In part one (chapter 2-3), two new methods and systems of optical parallel logic operation are studied. Triple-in Double-out shadow-casting logic operation system is proposed and realized for the first time. Based on this, optical full adder and 3-bit decoder array logic have been obtained. It is the first time to use coding pattern and different reading-writing model to realize BSO-PROM optical parallel logic operation where the time-order operation is avoided, so that the computing speed of optical parallel logic gate which uses this kind of spatial light modulator is increased, and it is successfully used in optical symbolic substitution .

在第一部分，对两种新的并行光学布尔逻辑运算方法及系统进行了研究：首次提出并实现了三输入、双输出铸影光学逻辑运算系统及其由此得到的光学全加器，并提出一种以此为基础的3-比特译码器阵列逻辑，首次利用图形编码和不同的读写模式实现了无时序操作的BSO-PROM光并行逻辑运算，大大提高了这种空间光调制器用作光并行逻辑门的运算速度，使之成功地用于光学符号代换之中。

Using the time-gain compensation technique to compensate for ultrasonic wave's weaking when transmitting in the air,and reduce the fluctuation of echo signal.The peak time detecting circuit which is composed of full-wave rectification circuit and differential circuit can detect the reach time of echo signal accurately.

和其他方法相比，如激光测距、微波测距等，由于声波在空气中传播速度远远小于光线和无线电波的传播速度，对于时间测量精度的要求远小于激光测距、微波测距等系统，因而超声波测距系统电路易实现、结构简单和造价低，且超声波在传播过程中不受烟雾、空气能见度等因素的影响，在各种场合均得到广泛应用。

An object receives in proportion to its speed resistance, and only receives its force of inertia the impetus, but the movement, through the isotopic dielectric, divides into the time the equal gap, forms the geometric series in time each time-gap's start's speed, but during passed over gently and swiftly distance in proportion to this speed.

如果一个物体受到正比于其速度的阻-，并只受其惯性力的推动而运动，通-均匀介质，把时间分为相等的间隔，-则在每个时间间隔的开始时的速度形-几何级数，而其间掠过的距离正比于-速度。

Condition: If an object receives in proportion to its speed resistance: and only receives its force of inertia the impetus, but movement: conclusion: Through the isotopic dielectric, divides into the time the equal gap, forms the geometric series in time each time-gap's start's speed, but during passed over gently and swiftly distance in proportion to this speed:.

通过均匀介质，把时间分为相-的间隔，则在每个时间间隔的开始时-速度形成几何级数，而其间掠过的距-离正比于该速度

Using Lewis-Riesenfeld theory, we obtain exact solutions of the time-dependent system, then we recover both n -pulse method based on time-evolution operator of the system and STIRAP method in terms of instantaneous eigenstates with the help of time-dependent gauge transformation.

利用含时规范变换理论得到系统的精确解，我们用时间演化算符同时得到文献中分别采用π-位相法和STIRAP方法得到的结果，因而更具有普遍性。

If average values before or after catastrophe point when the pressure at both ends reduces exceed the threshold value, judging that there is leak and positioning: calculating approximate wavelet transformation coefficient of pressure data at both ends, initializing searching interval, calculating a signal time delay value corresponding to approximate wavelet transformation coefficient in the searching interval from maximal scale N; converting the time delay value under scale N to that under N-1 by geometric proportion relation; updating the searching interval, repeating above processes until the scale is 0 and positioning based on the time delay value.

若两端压力下降突变点前后的均值变化均超过阈值，判定有泄漏并进行定位：计算两端压力数据的近似小波变换系数，初始化搜索区间，从最大尺度N开始在搜索区间内计算对应近似小波变换系数的信号时延值，利用等比关系将尺度N下的时延估计值转换为N-1下时延估计值，以该值更新搜索区间，重复以上过程至尺度为0，以此时延估计值进行定位。

If we split up, I will be afraid to go out, Because no matter where, Have our memories, Everywhere I go I carry my乱逛of holding you, Looked at me with tears and I will be sad with you, Accompanied me crazy happy I accompany you, To say I am sorry I love you and you hesitate to half-day, Me into the future and your hard efforts to this end you Students will meet every time I think of the band you I am afraid to go to school afraid to go home two first-line of you, Almost all the money is spent on me for you, Because I have prepared a surprise for their happy and half-day to you, Even if there is a lot of baggage would not let you carry one, Crowded subway, holding my hand tightly for you, In the cold wind or rain, the rover will be waiting for me or you, Have taken the trouble to accompany me shopping for my clothes you choose to make any suggestions, Winter and summer vacations every year with me once you travel, Chaos because I play,乱吃things you get into the act, Every time I have been engaged in the collapse were still forgive me every time I come to see me inclusive of you.

如果我们分手了，我一定会害怕出门，因为无论到哪里，都有我们的回忆，背着我牵着我到处乱逛的你，看着我流泪会陪我一起伤心的你，陪着我发疯陪着我快乐的你，为了说一句我爱你而不好意思犹豫半天的你，把我纳入你的将来并为此拼命努力的你，每一次同学聚会都会想到把我带上的你，害怕我担心上学回家两点一线的你，几乎把所有的零花钱都花在我身上的你，因为给我准备了惊喜而自己开心半天的你，即使有一大堆行李也不肯让拎一件的你，拥挤的地铁里紧紧牵着我的手的你，在凛冽的寒风又或者飘泊的雨中还是会等我的你，陪我逛街不厌其烦地为我出主意选衣服的你，每年寒暑假陪我出去旅游一次的你，因为我乱玩，乱吃东西，胡作非为而大发雷霆的你，每一次都被我搞的崩溃却依旧每一次都原谅我包容我来找我的你。

It is like a drug. The most time you waste, the easier it is to go on wasting time. If seriously wish to get the most out of college, you must put the time message into practice.

浪费时间就像毒品一样，你越浪费时间，就越容易继续浪费下去，如果你真的想充分利用上大学的机会，你就应该把利用时间的要旨付诸实践。

From then on, every time when the students wrote composition, they have to pay much attention and gingerliness choosing the suitable materials and words to make up their sentences, in order not to get hurt for another time. But every time they got hurt without exception.

从那时起，每一次写作文，同学们都小心翼翼，战战兢兢地选材构思、谴词造句，生怕被"刺痛"，但每一次都无一例外地被"刺痛"，只不过"刺痛"的层次在一步步"升级"。

N application could also increased wet gluten content of flour and prolonged dough development time,stability time and breakdown time.

试验还表明，施用氮肥能明显提高子粒湿面筋含量，延长面团形成时间、面团稳定时间和断裂时间。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。