他开始了比较合理的资料，以水和消毒与人类废物堆肥(奇数必要性以下的灾难)。
He starts out fairly reasonable with information as to sterilizing water and making compost with human waste (odd necessity following the calamities).
增益材料放置的对称性导致奇数阶纵模的损耗，从而增加了微激光器的调谐范围。
Certain symmetry in the allocation of gain material leads to depletion of odd longitudinal modes that, in turn, increases the tunability range of the microlaser.
第三章讨论了奇数阶微分方程解的振动性，建立了一系列解振动的充分条件。
Chapter three mainly considers linearized oscillation for odd-order neutral differential equations, and some sufficient conditions will be established.
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