precursor

precursor什么意思,precursor翻译

基本解释

n.: 前驱；预兆；前任；先兆
网络: 先驱者；前体细胞；前驱物

英汉解释

• 【原子能】前驱波;初级粒子

• 预报器

• 先质

• 产物母体

• 〔化〕原料;母体

• 预兆;先兆

• 前身细胞

• 前辈,前驱,先锋;前任

• 〔遗〕前体

• 前兆,预兆,先驱

词性分析

• 复数：precursors

同义词

n.forerunnerancestorpredecessorantecedentpioneer

反义词

n.successor

例句

• By the end of the next decade, a simple blood test could alert doctors to a wide variety of cancer precursors.

  下世纪末，医生可以用简单的血样化验预告更多种的早期癌症。

• Despite years of searching for earthquake precursors, there is currently no method to reliably predict the time of a future earthquake.

  虽然对地震前兆的研究已有多年，但至今仍没有办法能够可靠的预计到未来地震发生的时间。

• The question, however, is why it is only a mild recession, since precursors of a depression were surely present.

  但问题是，既然萧条的先兆已显露无疑，为何这仅仅是一场温和的衰退呢？

• Without doubt, the United States is exhibiting some of the classic precursors to out-of-control inflation.

  无庸置疑的是，美国市场已经呈现出无法控制的通货膨胀的预兆。

• The REMs, which appear to be at the origin of the dream stage of sleep, can be blocked or amplified by chemical inhibitors or precursors.

  似乎是处在睡眠的做梦阶段开始时的快速眼动，却可以受到化学抑制剂或先兆的堵塞或扩大。

• For our evolutionary precursors out in the wild, the fight-or-flight response was a valuable survival mechanism.

  对于那些处于野外进化中的祖先来说，逃跑或战斗响应是一个宝贵的生存机制。

• Even if precursors existed, a few observations would not lead to prediction, because their signature would vary with place and time.

  前兆即便存在的话，少量的观察无法导致预测，因为其特征将因地因时而异。

• In this framework, countries in which research on precursors is still encouraged and funded are very few.

  在这样的框架下，在继续鼓励对地震前兆进行研究的国家经费很少。

• Given that years of effort have led to no widely accepted precursors, perhaps there are no valid earthquake precursors.

  考虑到这么多年的努力没有导致任何普遍接受的前兆，有效的地震前兆或许就根本不存在。

• The results indicated that the structure composes and crystallinity of precursors had been affected with improvers adding.

  研究结果表明，改进剂的加入对前驱体的结构组成和结晶状态产生一定影响；