quality of matrix structure的用法和樣例：
例句
- The rock quality evaluation can be taken as a pattern recognition or classification problem.
巖體質(zhì)量評價(jià)問(wèn)題可以認為是一個(gè)模式識別或分類(lèi)問(wèn)題。 - For this reason, we made a analysis of the stress to the backfilling, pointed out the measures ensured in imporving the quality and intensity of the backfilling.
為此，對充填體進(jìn)行受力分析，根據影響充填體的穩定性因素，提出了保證充填體質(zhì)量及提高充填體強度的措施。
