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The preformed aluminophosphate precursor was obtained after the gel was heated at 423 K for 4 h in an autoclave.

该 预制铝前身是获得后凝胶加热423 K时为4小时，在一个反应釜。

The number of people who consult psychiatrists today is not, as is sometimes felt, a symptom of increasing mental ill health, but rather the precursor of a world in which the hope of genuine mental health will be open to everyone, a world in which no individual feels that he individual feels that he need be hopelessly broken-hearted, a failure, a menace to others or a traitor to himself.

我们的真正担忧是源于每个人可能获知的知识。与通常的感觉不同，当今咨询精神病学家的人数不是不断增多精神疾病的体现，而是一个世界的前兆：一个人人具有真正精神健康希望的世界；一个没有人感到他自己是一个绝望心力交瘁的失败者、对其它人是个威胁或是自己叛徒的世界。

The number of people who consult psychiatrists today is not, as is sometimes felt, a symptom of increasing mental ill health, but rather the precursor of a world in which the hope of genuine mental health will be open to everyone, a world in which no individual feels that he needs be hopelessly broken-hearted, a failure, a menace to others or a traitor to himself.

现在许多人去找精神病医生咨询，并不像人们有时想的那样说明了越来越多的人得了精神疾患，而是预示着一个新世界的到来，在那里，人人都可以希望得到精神上真正的健康，不会因为自己屡屡失败，惹人讨厌，或背叛了自己的信仰而感到伤心绝望。

The number of people who consult psychiatrists today is not a symptom of increasing mental ill health, but rather the precursor of a world in which the hope of genuine mental health will be open to everyone, a world in which no individual feels that he need be hopelessly broken-hearted, a failure, a menace to others or a traitor to himself.

前去咨询心理医生的人数增多并不意味着心理不健康的人增多，而是预示了一个新世界的诞生。在这个世界里，每个人都有希望获得真正的心理健康，没有人会觉得伤心失望，感到自己是一个失败者，威胁到了别人或背叛了自己。

The trifluoromethyl modified benzofuran compounds synthesized by the invention contain a plurality of functional groups in benzene ring portion, and can be used as precursor for subsequent synthesis of benzofuran medicine intermediate containing trifluoromethyl.

本发明合成的三氟甲基修饰的苯并呋喃类化合物，苯环部分包括多种官能团，可以作为后续合成含三氟甲基苯并呋喃药物中间体的前体。

Carrots have beta-carotene, which is the precursor of vitamin A in the body.

胡萝卜有β-胡萝卜素，它是维他命A的前导物质在体内。

In plant foods it is present as its precursor, beta-carotene.

在植物性食品是目前作为其前体，β-胡萝卜素。

Heme oxygenase oxidizes heme to free iron, carbon monoxide and biliverdin, the sole precursor of biliruhin.

血红素加氧酶催化血红素氧化产生自由铁Fe(上标 2+、一氧化碳和胆绿素，后者是胆红素的唯一前体。

This may be a precursor of what astronomers refer to as the common envelope phase, a short-lived period of a binary star's existence that is thought to last for just a few thousand years.

这可能是天文学家们提到的共包层阶段的前身，这是双星生命中的短期阶段被认为仅持续几千年。

Arachidonic acid is an essential fatty acid in human nutrition and a biogenetic precursor of the biologically active prostaglandins and leukotrienes.

花生四烯酸是人体的必需脂肪酸，具有独特的生物活性。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。