Precursor ion scanning refers to monitoring for a specific loss from the precursor ion.
前体离子扫描是指监测前体离子的特定损失。
That kind of surge may be a precursor to inflation.
这种飙升也许是通胀的前兆。
They alter the way it cleaves amyloid precursor protein.
它们改变了这个酶切割淀粉样蛋白前体的方式。
It won only five of 13 seats held by its precursor.
他们只赢得了先前13个议席的5席。
LILO was the precursor to GRUB, but you can still find it booting Linux.
LILO是GRUB的先驱，但是我们可能发现它依然可以引导Linux。
Hence, choosing the right team is a precursor to all the above factors.
因此，选择一个正确的团队是上述一切因素的先决条件。
The meeting is a precursor to a full G20 summit in Pittsburgh on 25-26 September.
这次会议是9月25至26日在匹兹堡举行的G20峰会的预演。
To date, no so-called quake precursor has achieved anything like that degree of reliability.
到目前为止，任何所谓的地震前兆都远未达到这个准确率。
We are sure that the main wave packet cannot travel faster than the precursor, which travels at c.
我们确定，主波包传播的速度不能超越以光速c传播的前驱。
The interference of the precursor and the slightly delayed main waveform can explain this structure.
前驱的干扰和主波形轻微的延迟可以解释这个结构。
His latest idea is that the gap was bridged by music, which may thus be seen as a precursor to language.
他最近提出，其间的沟壑由音乐填补——而音乐也可以看视为语言的先驱。
NOR technology requires a precursor step to clear all values to zero before the Erase operation can begin.
NOR技术需要通过一个准备步骤将所有值清零，然后再开始Erase操作。
The ADP report is often seen as a precursor to the Labor Department's big monthly jobs report due out Friday.
ADP就业报告被看做美国劳工部将于周五公布月度就业报告的预兆。
October 29, 1969, the first-ever computer-to-computer link is established on ARPANET, the precursor to the Internet.
1969年的10月29日，首次计算机对计算机的联接通过当今互联网的前身——ARPANET建立。
They then examined their arteries for arterial stiffness, often a precursor to high blood pressure and heart disease.
然后研究者检查了被测试着的动脉硬化情况。动脉硬化是高血压和心脏疾病的前兆。
These limitations also lessened the effectiveness of the semaphore, a modern precursor to the electric telegraph.
这些限制也削弱了旗语（电报的先驱）的作用。
Another company has started producing a precursor to synthetic diesel in Brazil (Searching for Biofuels' Sweet Spot).
还有一家公司已经在巴西开始生产一种先导物质，以合成柴油(参见“寻找生质燃料的甜蜜点”一文)。
Carbs are also full of tryptophan, the amino acid precursor to the feel-good chemical serotonin produced in the brain.
碳水化合物富含色氨酸，它是大脑中生成的一种能给人带来良好感受的氨基酸—血清素的前身。
Because the Lasker Award is often seen as a precursor to the Nobel Prize, the Chinese media are abuzz with anticipation.
因为拉斯克奖被看作诺贝尔奖的“风向标”，中国媒体充满了预期。
Now, if you want to explain high-temperature superconductivity and you believe the pseudogap is a precursor, you need to explain both.
如果你想解释高温超导，并且把赝隙看作是前兆，那么这两者都要解释。
With the address taking up half of the writing area, brief postcard scribbles became the precursor to today's cryptic text messages.
由于地址占据了一半的书写区域，明信片背后的文字变得简短而潦草，由此为今日含糊不清的手机短信开了先河。
This precursor to Homo Erectus was a tool user (more than a tool-maker), had campsites, and was using fire as early as 3,000,000 BCE.
能人是直立人的前身，他们能够使用工具(不仅能制造工具)，有自己的营地，而且早在公元前3百万年就能使用火。
This precursor to Homo Erectus was a tool user (more than a tool-maker), had campsites, and was using fire as early as 3, 000, 000 BCE.
能人是直立人的前身，他们能够使用工具(不仅能制造工具)，有自己的营地，而且早在公元前3百万年就能使用火。
The scientists found that the precursor wave front of a single photon always travels at c, like the signal velocity of large groups of photons.
科学家发现，单个光子的前驱波头一般以光速c传播，就像由大量光子携带的信号的传播速度一样。
In 1621, the Pilgrims sat down with a group of Native Americans for a harvest feast - the precursor to the Thanksgiving holiday we celebrate today.
1621年，清教徒与一群美洲印第安人坐在一起，举行一个丰收宴会——我们今日所庆祝的感恩节的前身。
Amyloid plaques form when a molecule called amyloid precursor protein (APP) is chopped up by two enzymes known as beta-secretase and gamma-secretase.
当一种叫淀粉样前体蛋白（APP）的分子被两种酶——分别叫作贝塔-分泌酶和伽玛-分泌酶——切断时就形成了淀粉样斑块。
Amyloid plaques form when a molecule called amyloid precursor protein (APP) is chopped up by two enzymes known as beta-secretase and gamma-secretase.
当一种叫淀粉样前体蛋白（APP）的分子被两种酶——分别叫作贝塔-分泌酶和伽玛-分泌酶——切断时就形成了淀粉样斑块。
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