nearly circular orbit：近圓軌道

near surface flow 表面流近面流 | nearly circular orbit 近圓軌道 | necessary condition 必要條件

one point compactification：一點(diǎn)緊化

一次同余方程|linear congruence | 一點(diǎn)緊化|one point compactification | 一階必要條件|first-order necessary condition

needle ice：針狀冰

必要條件 necessary condition | 針狀冰 needle ice | 負(fù);陰 negative

Necessaries：(生活)必需品

nebulizer 霧化器 | necessaries (生活)必需品 | necessary condition 必要條件

first-order necessary condition：abbr. fonc; 一階必要條件

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necessities：必須品

Necessary condition 必要條件 | necessities 必須品 | net demand 凈需求

sufficiency：充份性

successive differentiation 逐次微分法 | sufficiency 充份性 | sufficient and necessary condition 充要條件

sufficient condition：充份條件Btu中國(guó)學(xué)習(xí)動(dòng)力網(wǎng)

sufficient and necessary condition 充要條件Btu中國(guó)學(xué)習(xí)動(dòng)力網(wǎng) | sufficient condition 充份條件Btu中國(guó)學(xué)習(xí)動(dòng)力網(wǎng) | sufficiently close 充份接近Btu中國(guó)學(xué)習(xí)動(dòng)力網(wǎng)

necessary and sufficient condition：必要十分條件

necessaries 必需品 | necessary and sufficient condition 必要十分條件 | necessary bandwidth 必要周波數(shù)帯幅

So the condition for a theory in which the infinities：那么理論上無(wú)窮大的情況

But as soon as you delve deeper into the atom, things get stranger.|然... | So the condition for a theory in which the infinities|那么理論上無(wú)窮大的情況 | can be handled at all, a necessary condition|完...