Some new colour systems and new applicat…
表列了某些新的显色体系和新的应用。
The two-arm hemispherical helical antenna has very wide impedance and pattern bandwidth, and its gain in the whole band is larger and wave mildly, which show that it is of great applicat…
双臂半球面螺旋天线具有较宽的阻抗带宽和方向图带宽，工作频带内增益变化不大，该天线在军事卫星通信领域具有广阔的应用前景。
The test is suitable for children having painting ability. It can be used in population intelligence screening. It is convenient and time-saving, but there are some limitations in its applicat…
本试验适用于5岁以上具有绘画技能的儿童，可作集体智能筛选，方便、省时，但有一定的局限性。
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