They reflect a concentrated beam of light onto the town's central square, creating an area of sunlight roughly 600 square meters.
它们将一束集中的光线反射到城镇的中心广场上，形成面积大约为600平方米的阳光区域。
In other words, ultrasound essentially travels in a very narrow beam — this makes it great for focusing the waves toward a desired area, but not for actual aural comprehension.
换言之，基本上超声波的传播声束极窄，这非常有利于将声波集中至指定地点，但对实际听力则无所助益。
That means the beam produced is of higher quality than other lasers, is extremely straight (even by the exacting standards of a normal laser beam) and can thus be focused onto a small area.
(甚至符合正常激光束的严格标准)这样就能将能量集中传送到一个小的区域范围内。
Students will determine the relative stiffness of two aluminum beam test specimens of equal cross sectional area but different cross-sectional shape and see how they conform to theory.
学生要确定两个横截面面积相同而形状不同的铝梁实验样本的相对刚度，并研究结果如何与理论一致。
Show play area Cursor: If this is enabled then the play area boundaries are displayed at the tip of the pointer beam in the current pointer colour.
(显示游玩区光标)：如果这个启动，游玩区界限就会在光束指针的顶端显示出来，颜色和当前指针颜色相同。
Unique adjustable beam Angle that ensure wide lighting area, high brightness.
独特的可调节光束角，以确保广泛的采光面积，高亮度。
This subject applies AET to safety assessment of crane beam first, so extend the application area of AET.
本课题首次将声发射监测技术应用于起重机梁的安全评价，从而扩展了声发射技术的应用领域。
In column beam with various carvings, colored murals on the wall area of more than 2 thousand and 500 square meters.
宫内的柱梁上有各种雕刻，墙壁上的彩色壁画面积有2,500多平方米。
For a unit of projected area the loading on a telephone pole or a smokestack will be less than on an I - beam.
对一个单位面积来说，电线杆或烟囱上的荷载要比工字架上的荷载小。
This idea can be used for design of large span continuous beam in strong seismic area.
这种抗震设计思想对高烈度地区的大跨径连续梁桥设计具有现实意义。
The approach for enlargement of SAR patch mapping area by antenna beam scan is investigated, which serves for moderate fine-resolution mapping of medium-sized terrain patches.
研究通过天线波束扫描扩大SAR区域成像范围的方法，以适应较大区域中等分辨率成像的要求。
As the beam falling on the Equator covers a much smaller area, its energy is more concentrated and the temperature is higher.
落到赤道上的光束覆盖的范围比较少，因而能量比较集中，温度也比较高。
Test results indicate that effective cooperation can be achieved by the shear-resistant connection between the reinforcement in the negative moment area and the outer-plated steel beam.
试验表明，外包钢-混凝土组合梁负弯矩区钢筋和外包钢梁通过抗剪连接措施能有效地共同工作；
Compression steel plate structure PC beam, is to place steel plate in bending area of bygone PC beam.
压缩钢板构造的PC梁，就是在以往的简支pc梁弯压区内配置钢板。
Intensity is a measure of power per unit area, and even a laser that emits only a few milli-watts can produce a lot of intensity in a beam that's only a millimeter in diameter.
强度是每单位面积的度量，即使一个仅能产生几毫瓦能量的激光器也能产生一个直径只有一毫米的高强度光束。
The steel ratio on the bottom of the large beam ought to be limited to ensure the safety of the joint area under longitudinal orthogonal beam.
对于直交梁以下区域剪切破坏应采用限制大梁底部纵向钢筋的方法予以避免。
As a result, it is understood that placing steel bar in the tensile area will improve the ultimate bearing capacity of the RCFT beam, and shear failure of filled concrete will be avoided.
结果表明，在梁的受拉区配筋可以提高梁的极限承载力，并且可以避免核心混凝土的剪切破坏。
On the basis of the previous work, the authors make an estimation about power density within the beam covered area.
推导了无线电波传输路径上各点经纬度及高度坐标等参数，并在此基础上进行了波束覆盖区功率密度的估算。
For a unit of projected area the loading on a telephone pole or a smokestack will be less than on an i-beam.
对一个单位面积来说，电线杆或烟囱上的荷载要比工字架上的荷载小。
The main beam anchor outline of one twin beams cable—stayed bridge in the south China area was changed.
华南地区某双幅斜拉桥主梁锚座轮廓的变更。
Within this area, the field strength of the beam from the satellite must exceed a specific value.
在此区域内，来自卫星的波束场强必须超过某一特定值。
For exact positioning of the emitter: the pilot beam indicates exactly which area will be X-rayed.
可精确定位发射器：导向射束可精确表明需进行X光检查的区域。
Spatial beam distribution of vacuum arc ion source in accelerating area was (determined) using a digital camera.
采用数码相机直接照相的方法来确定真空弧离子源引出束流在加速空间的分布。
In the reading action the effect of the beam on the charged or uncharged area is detected.
在读操作时，则是检测电子束在有电荷区或无电荷区的效应。
Furthermore, using this kind of structure, we can reduce the thickness of polarization beam splitting prism, and enlarge the applied area.
另外，这种新型的多入射方向的分光棱镜的结构可以有效的降低偏振分光棱镜的厚度，扩大偏振分光棱镜的适用范围。
Furthermore, using this kind of structure, we can reduce the thickness of polarization beam splitting prism, and enlarge the applied area.
另外，这种新型的多入射方向的分光棱镜的结构可以有效的降低偏振分光棱镜的厚度，扩大偏振分光棱镜的适用范围。
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