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Isolationism, with its heyday in the 1930s, is a stalwart political force in American history that waged remarkable influence on US diplomatic policies.
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摘要孤立主义是美国历史上一股非常顽强的政治势力，对美国外交政策影响甚大。 |
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Isoleucine A nonpolar AMINO ACID, synthesized from threonine.
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异亮氨酸：是一种非极性氨基酸，由苏氨酸合成。 |
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Isomerase An enzyme that catalyzed the conversion of molecule from one isomeric form to another.
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异构酶：是能够催化底物分子进行结构转化的酶。 |
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Isoperimetric inequality for sphere and ellipsoid is discussed, and the isoperimetric inequality of some region satisfying certain conditions is given.
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摘要讨论球面和椭球面上的等周不等式，并给出了球面与椭球面上满足一定条件的区域的等周不等式。 |
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Isoproterenol, adenosine, nitroglycerin and edrophonium are common agents employed.
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异丙肾上腺素、腺苷、硝酸甘油和滕喜隆是最常使用的药物。 |
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Isotonic Designating a solution with an osmotic pressure or concentration equal to that of a specified other solution, usually taken to be within a cell.
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等渗的：指与特定溶液浓度相等的或是渗透压相同的溶液，通常存在于细胞中。 |
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Isotopes are different varieties of the same element, which have identical chemical properties but differ in atomic weight.
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同位素是同一元素的不同种类，它们有着相同的化学特性但是原子重量不同。 |
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Isotopes are different varieties of the same type of atom, all completely identical in their chemical behavior, but differing slightly in their atomic weight.
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同位素是同一原子的不同品种，具有完全吸纳共同的化学特性，只是它们的原子核重量有点不同。 |
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Isotopes that emit radioactive particles; a stove emitting heat.
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发射出放射性粒子的同位素；发出热量的炉子 |
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Isotopes, including both radioactive and stable isotopes, make important contributions to development of society and economy, and progress of science and technology in USA.
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摘要同位素，包括放射性同位素和稳定同位素，对美国社会和经济发展、科学技术进步做出了重要贡献。 |
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Israel acted unilaterally in disengaging from Gaza, with Prime Minister Ariel Sharon saying that keeping the settlements came at too high a price in lives and money.
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以色列单方面决定从加沙撤出。以色列总理沙龙表示，以色列为了维持在加沙地带的犹太人定居点付出的生命和金钱的代价太高。 |
