precursors信息详情
n.前体细胞（precursor的复数）；先驱者（precursor的复数）
precursory stop───前兆停止
precursory defined───前兆定义
precursory law───前兆定律
precursory event───前兆事件
precursor───n.先驱，前导；（尤指经新陈代谢形成另一种物质的）前体，前质；前兆
precursory───adj.前兆的（等于precursive）；先驱的
amyloid precursor protein───[医]淀粉样前蛋白
precursor chemical───前体化学品
precursory means───前兆手段
precursory define───前兆定义
The chemicals include deadly pesticides and their even deadlier precursors.───这些化学品包括一些能致人死地的农药成品以及危害相当的制作原料。
So what are today's precursors?───那么今天的预兆是什么呢？
Pap smears work by detecting abnormal cells that are cancer precursors and that can be destroyed using techniques like lasers.───巴氏涂片可以检测异常细胞，这些细胞是癌症的前兆，可以使用激光等技术来摧毁它们。
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。
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。
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。
These pumpkin-shaped modules are precursors to possible research labs or factories that could make products under weightless conditions.
In vitro experiment, BMP-4 suppress oligodendrocyte precursors differentiation into oligodendrocyte and promote the astroglial differentiation.
A number of theorists have identified precursors of photography in the late eighteenth century.
Cobalt salt was employed as catalyst precursors, copper plate as substrate and ethanol as carbon source.
Some, the precursors of fungi, could only survive in the dark.
The precursors of lowered self-esteem and poor coping will also be examined.
Briefly, Hollerith machines were mechanical precursors to computers.
His parents, he says, were precursors to the counter-culture.
Different rayon based carbon fiber precursors are studied by means of scanning electron microscope(SEM), Thermal Mechanical Tester and X-ray diffractometer.