1) heavy upstream run

密群上溯
2) upstream movement

上溯
1.
Numerical modeling of upstream movement of storm surge along the Zhujiang River;

风暴潮沿珠江河道上溯运动的数值模拟
3) Meter tracing

水表上溯
4) semantic trace

语义上溯
1.
In order to solve the problems of the theory of knowledge,Quine set up a relationship between theories and evidences by "semantic trace".
奎因通过“语义上溯”,在“观察句”和“观察陈述”层面上建立外部刺激与科学理论之间的证据联系来解决知识论问题。
5) To trace up the source and inquire into the origin

溯源而上
补充资料:上溯
1.亦作"上泝"。 2.逆水上行。 3.从现在往上推算。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条