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Based on the observation of atomic force microscopy, the etching morphology of faces and sections with different crystallographic significance on α-quartz has been studied. The etching morphology on the natural crystal faces hexagonal prism faces (1010 and 01(average10, rhombohedron positive form face 10(average11, rhombohedron negative form face 01(average11 and the sections between any of the two crystal faces has been observed. It is shown that the etching pit on the same simple form has the same shape, while the orientation of the etching pits can be different. Different simple forms have different shapes of etching pits and the shapes of etching pits on positive form and negative form of the same simple form are also different.

通过对α-石英自然晶面六方柱面10(平均值10和01(平均值10、菱面体正形面10(平均值11与菱面体负形面01(平均值11、以及介于上述自然晶面之间的切面进行腐蚀形貌的观察研究发现，石英晶体同种单形的晶面腐蚀坑形态相同，但方位可以有变化，不同单形的晶面腐蚀坑形态不同；同一单形的正形与负形腐蚀坑形状不同；蚀坑形态能够反映晶体的对称性。

The system utilized four laser scanners along lengthwise direction of the log. Data are obtained in every ten degrees when log is turning, in each cross section, 36 data are obtained. Then the data obtained were processed and an outline of the cross section of the log was developed on computer screen. Afterwards, the largest inscribed circles for log cross sections were determined according to the principle that three points can determine a circle. Secondly, the points located on the cross sections were linked up along some log generative in order to simulate the three-dimension log outline. At last the largest right circular cylinder were optimized and the optimum turning center was determined by means of projective theory.

具体作法是：在木段长度方向均匀设置四个激光传感器，当木段旋转时，起动激光传感器，进行数据采集，每隔10~0扫描一个点，在各横断面圆周上共采集36个点的数据，由计算机处理采集的数据，并绘制出原木横断面的几何图形，再根据三点定圆的原理，确定出最大内接圆；其次，模拟原木三维廓形，即将原木相邻横断面上离散点沿着母线方向连线，由计算机分析处理，绘制原木三维廓形；最后，采用投影法，优化出原木最大内接圆柱体，并确定原木回转中心线。

According to the company official responsible for the initial public offering, and other sections of the different South Road after five Fengtai District extends from the city,"underground" crossed into sections, and the City of Victoria Road Zhongguancun "big drag chutes."

据首发公司负责人介绍，与其他路段不同，南五环路在经过丰台区宛平城时将从"地下"穿过，成为和四环路中关村路段一样的"大拉槽"。

The sample space of system output was partitioned into many sections, and the sections outside of the objective were regarded as absorption state.

将系统输出的样本空间分割成若干个小区段，且将属于目的域外的区段作为吸收态。

The scrambler passes the selected sections unscrambled, wherein the scrambled content with the selected sections can be processed according to a second algorithm.

该扰码器使选中的段通过而不被扰码，该具有选中的段的扰码过的内容能根据第二算法被处理。

Sections 1 and 2 of the die of Figure 9-4 were laid out to include the entire semicircular contour, with straight contours included in the other six sections.

第1和第2部分的9 - 4的人物都包括整个半圆形的轮廓，直接计入六轮廓。

The music signal was divided into several sub-sections and the length of each section was equal to the duration of one semiquaver. The base frequency was obtained using one dimension DCT operated on each section. The extreme points of the musical notes were found by comparison with the adjacent sub-sections. And then, the musical scores were got using the principle of least derived notes.

采用离散余弦变换结合能量比对的手段，并提出了一种变化音最少法则：以十六分音符对应的时值作为步长，将乐曲信号分为若干个子段；对每个子段进行一维DCT操作，提取基音频率；对相邻子段进行能量比对，查找音符的端点；利用变化音最少法则，生成乐谱。

Fresh Squid tentacle sections, mashed yellow croaker and pollution-free cubed carrot and green string bean sections are selected as raw materials which are then added, mixed and stirred with an adhesive, a seasoning agent and a tenderizer in proper amount to form fillings; the fillings are then moulded into caked filling cores which are steamed and cooled; the outer surface of the filling core is evenly coated with a layer of stiff paste, the outer surface of which is evenly attached with a layer of puffed outer coating so as to form a caked quick-frozen squid and vegetable steak which takes the shape of a puffed powder slice and is internally provided with a filling core wrapped with the stiff paste; after being quick-frozen, the squid and vegetable steak can then be made into the quick-frozen squid and vegetable steak food.

其是以新鲜的鱿鱼脚段、黄花鱼泥和无公害的胡萝卜丁、青刀豆段作为原料，加入适量的粘合剂、调味剂、嫩化剂搅拌调和成馅料，由该馅料模制的饼状馅芯经蒸制、冷却后，在该馅芯外表面均匀挂有一层浆料，所述的浆料外表面均匀粘有一层蓬松的外裹料，形成一饼状的、外表为蓬松的粉片状物、内面由浆料包裹馅芯的鱿鱼蔬菜排，该鱿鱼蔬菜排速冻后即成速冻鱿鱼蔬菜排食品。

There are two kinds of spinels in a granulite terrain of Yushujgou, South Tianshan Mountain. One occurs in the intermediate and basic granulite units and is characterized by enriched Al and poor Cr, belonging to Al_spinel. In thin sections it shows dark green color and subhedral to anhedral form, and coexists with other metamorphic minerals, suggesting a neogenic metamorphic mineral of granulite facies. The other occurs in the adjacent ultramafic rock unit, belonging to Cr_spinel. In thin sections, it is dark brown in color and is scattered among olivine, clinopyroxene and orthopyroxene as irregular grains, indicating a stable residual mineral in the process of granulite facies metamorphism.

新疆榆树沟麻粒岩地体中发育两类尖晶石：一类见于中、基性麻粒岩体中，其化学成分富 Al贫 Cr ，属铝尖晶石，镜下为深绿色，呈半自形至他形粒状，与其它变质矿物共生，表现为麻粒岩相的新生变质矿物；另一类发育在空间上与麻粒岩体紧密相邻的超镁铁质岩体中，为铬尖晶石，镜下为深褐红色，呈不规则粒状分布于橄榄石、斜方辉石和单斜辉石之间，为麻粒岩相变质过程中稳定的残余矿物。

When dismantle the machine, firstly, stop the suspension coop on the lower 2 sections of the standard sections, the operation staff go on the suspension coop top, the hoisting machine loosen rope, lift the pillar with small shaft, pull out the horizontal pin of pillar, let the pillar fall slowly to thedismantled section's middle angle bar, insert the horizontal pin again. At this time, loosen the connection screw of standard section with spanner, hang the shaft of hand crane on the upper angle bar, sway the shaft of hand crane upward, separate this standard section from the next section, and lay itin the suspension coop, dismantle the other standard section for the same method, and turn the shaft to another direction, draw the lifting wire rope tightly, the operation staff leave the suspension coop, open the lock stopping instrument, fall the suspension coop to next position and lock the brakeinstrument, the operation staff return to the top of suspension coop, continually dismantle note: forbid the staff leave on the top of suspension coop or in the coop when the suspension coop is running

8.1折除时，首先将吊笼用停层装置停靠在待拆除的标准节的下两节上，操作人员上到吊笼顶，卷扬机松绳，用小吊杆将顶梁略向上提起，拔出顶梁横销，使顶梁值得徐徐降下，降到拆除节下一节中间框架角处，并重新穿上横销，这时用板手将标准节连接螺栓松开，将手摇起重机小吊杆钩挂在待拆节上框架用钢土，到吊笼内，用同样的方法拆下另一节标准节，然后将吊杆转向不影响升降机运行的方向，收紧起升钢丝绳，操作人员离开吊笼，打开锁止机构，使吊笼下降到下一个拆除位置，并将锁止机构锁死，人员重返笼顶，进行下一拆除循环（注意：在吊笼运行时绝不允许有人员留在吊笼顶部或吊笼内

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。