人们对真理的认识，要受到认识的各种客观条件限制，要受到认识主体的主观条件制约。
People's recognition of truth should be subject to the limitations of all kinds of objective conditions and also the subjective conditions of cognitive subjects.
期待可能性是对人的意志的相对自由的反映，是对客观条件限制人的意志自由的作用的承认。
Expectant probability reflect relative freedom of human volition and admit the fact that objective conditions can restrict freedom of human volition.
目前在水闸老化评估时，由于客观条件的限制或者经济上的原因，有时不能取得全部必需的资料，给评估造成困难。
Owing to the limitation of objective condition or the reason of economy, sometimes, there may lack of necessary data and bring difficulties to rating works for sluice deterioration.
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