The space filling Z-order curve might not be the best choice for geodetic data, given the closed nature of the earth's surface.

对于大地数据，由于地区表面具有封闭的特性，因此空间填充z顺序曲线可能不是最好的选择。

youdao

After two decades, 95 percent of the elemental mercury on the surface of a filling had gone through a chemical reaction. It became beta-mercury sulfide, a black-colored solid.

经过了20年的光阴，旧填充物表面有95%的汞元素已经发生了化学反应，它变成了黑辰砂(beta - mercury sulfide)，一种黑色的固体。

youdao

I carefully poured the chocolate glaze over the cooled filling and gently tilted the whole tart to coat its surface.

我小心翼翼地用巧克力浇在冷却后的内馅上来做镜面，再轻轻地斜起馅饼来，好包裹住整个表面。

youdao

Sometimes the crew needs to dig out the damaged road surface before filling begins.

BBC: Jetpatchers at work

The painters hired two ladders in Carragh and spent that day filling in the stucco surface where it had broken away.

NEWYORKER: The Woman of the House

However, earlier this month, researchers from Durham University's Energy Institute reported that fracking was not a significant source of tremors that can be felt on the surface, compared to many other human activities such as mining or filling reservoirs with water.

BBC: Lancashire election candidates asked to oppose fracking