Without optional colors and shapes, the product will lack competitiveness.
没有多种颜色和形状可供选择，该产品缺乏竞争力。
Different optional sports courses have different influences on body shapes and function qualities of male college students.
不同选项体育课的教学，对男子大学生的身体形态、机能素质会产生不同的影响。
By using lighting effects we can give different optional features to display patterns and more complex shapes during the evening time.
运用合理灯光效果和特色灯光方案，展现目标建筑整体形态及较为丰富的夜间效果。
By using lighting effects we can give different optional features to display patterns and more complex shapes during the evening time.
运用合理灯光效果和特色灯光方案，展现目标建筑整体形态及较为丰富的夜间效果。
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