An estimated 24 million people worldwide have the memory loss, problems with orientation and other symptoms that signal Alzheimer's disease and other forms of dementia.
据估计，目前全球约有2400万人有失忆、不辨方向等阿尔兹·海默症等各种形式痴呆症的症状。
The distribution of lac insects on branches had no relation with orientation.
紫胶蚧分布与不同方向枝条之间无关。
This mode of revolution can be used not only to solve the problems in plane geometry, but to deal easily with orientation and measurement of space geometry elements.
使其不仅可以解决有关同一平面的几何问题，也可方便地求解空间几何元素间的定位与度量问题。
This mode of revolution can be used not only to solve the problems in plane geometry, but to deal easily with orientation and measurement of space geometry elements.
使其不仅可以解决有关同一平面的几何问题，也可方便地求解空间几何元素间的定位与度量问题。
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