Based on the conventional paraffin sectioning method, observation was done at the optical level on the dynamics of starch during the ovular development in barley.

运用常规石蜡制片法，在光学水平观察了淀粉在大麦胚珠发育中的消长动态。

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About weeks after pollination, the tip cells of nucellus broke and secreted liquid into ovular canal, which promoted pollen movement to the nucellus and played important role for pollen germination.

传粉后约周，珠心顶端破裂，分泌物进入珠孔道，并与珠被分泌物共同作用于花粉，使花粉向珠心移动。

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About 4 weeks after pollination, the tip cells of nucellus broke and secreted liquid into ovular canal, which promoted pollen movement to the nucellus and played important role for pollen germination.

传粉后约4周，珠心顶端破裂，分泌物进入珠孔道，并与珠被分泌物共同作用于花粉，使花粉向珠心移动。

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Positioned as a small speaker with big sound, the ovular unit features a top-mounted Lightning dock for iPhones and iPod Touches.

ENGADGET

Closed, it has a long ovular shape with rounded edges, a silhouette that makes it look kind of like an enlarged eyeglasses case.

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The size of the ear-cups is also a major factor in the overall luxury of the Orpheus, and the ovular design means your ears sit snuggly inside, while they dish out the delicious audio.

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