institute
n.(研究)所
The research institute is among the top five in geophysics in the world.
該研究所位列地球物理學前五。
invent
v.發明(creat, originate)
It is said that Edison invented the light.
據說是愛迪生發明了電燈。
launch
vt.發射,投射(send off);使升空
The new civilian satellite was launched yesterday.
這顆新民用衛星是昨天發射的。
mechanical
adj.機械的
precise
adj.周密的,精確的(accurate,exact)
precision
n.精確,精密度(accuracy, exactness)
scale
n.規模;尺度
The idea of the scale of economies was accepted by most people these days.
如今,大多數人都接受了經濟規模的概念。
specimen
n.標本,樣品(sample, instance)
symbolic
adj.象征的,符號的(token)
tentative
adj.試驗性的(trial)
Tentative measures have been taken by the government to deal with weapons of mass destruction.
政府已采取一些初步措施來應付大規模毀滅性武器。
theoretical
adj.理論的(academic)
threshold
n.閾值;門檻(doorsill)
trial
n.試驗 adj.試驗性的
The trial of the machinery was successful.
機器試驗成功了。
assumption
n.假定
Their assumption that their project under way was something entirely new proved to be untrue.
他們設想正在進行的項目是全新的,但結果證明不是。。
hypothesis
n.假設
This is only a sort of scientific hypothesis which has not been proved by experiments.
這只是一種沒有經過實驗證明的科學假設。