fixed target

基本解释

We compared this with evolution against a fixed target, by disabling the bacteria's ability to adapt to the virus.
我们还比较了这一点在进化遇到一个固定靶标时的情况，如使细菌的适应机制失效”。
A bunch of protons smash into a fixed target, creating a horde of scattered mesons, which last for fractions of a second before decaying into neutrinos.
一束质子撞击在一个固定靶上，制造出一群散射而出，且在几分之一秒之后就会衰变成中微子的介子。
In this paper, the method of reentry maneuver guidance applying to attack the ground fixed target is described by using flight dynamics principle and modern control theory.
本文运用飞行力学原理和现代控制理论，对攻击地面固定目标的飞行器的再入机动制导方法进行了研究。

Asset class rebalancing is used to return a portfolio back to its fixed target allocation.
FORBES: Choices in Portfolio Rebalancing
Every portfolio is rebalanced back to its fixed target of stocks and bonds when the percentage is off by a meaningful amount.
FORBES: Why We Don't Buy Corporate Bond ETFs
Rebalancing keeps a fixed asset allocation aligned with its target mix.
FORBES: Investment Principle Matters to Principal