教科文组织发起《世界记忆计划》就是为了保护这些宝贵的文献遗产，提高当代人和后代人对文献遗产难以估量的价值的认识。
UNESCO's Memory of the World Programme was launched to safeguard valuable documentary heritage and to raise awareness about its inestimable value for present and future generations.
他提供的信息价值难以估量。
价值。然而，它却难以估量的实用价值。
由于商业秘密的特殊性质，一旦公开其价值就会丧失，其所造成的损失是难以估量，而且这种损失也是不可逆转的。
Owning to its special properties, trade secret would lose values once being publicized, and the loss caused would be inestimable and irreversible.
对基因利用的价值的双重性也显示了基因价值的不可估量性，难以评估。
Dual gene use value reflects its value is inestimable and so difficult to assess.
对基因利用的价值的双重性也显示了基因价值的不可估量性，难以评估。
Dual gene use value reflects its value is inestimable and so difficult to assess.
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