首页
登录
职称英语
When an invention is made, the inventor has three possible courses of action
When an invention is made, the inventor has three possible courses of action
游客
2023-08-25
63
管理
问题
When an invention is made, the inventor has three possible courses of action open to him: he can give the invention to the world by publishing it, keep the idea a secret, or【B1】______it. A granted patent is the result of a【B2】______struck between an inventor and the state, by which the inventor gets a limited period of【B3】______and publishes full details of his invention to the public after that period【B4】______.
Only in the most【B5】______circumstances is the life span of a patent extended to alter this normal process of events. A patent remains permanently public after it has terminated. Indeed, patent experts often advise anyone wishing to avoid the high cost of【B6】______a search through live patents that the one sure way of avoiding violation of any other inventor’s rights is to steal and use a dead patent. Likewise, because publication of an idea in any other form permanently invalidates further patents on that idea, it is traditionally safe to take ideas from other areas of print. Much modern technological advance【B7】______the presumptions of legal security. Anyone closely-involved in patents and inventions soon learns that most new ideas are, in fact, as old as the hills. It is their reduction to commercial practice, either through necessity or【B8】______, or through the availability of new technology that makes news and money. The basic patent for the theory of magnetic recording【B9】______to 1886. Many of the original ideas behind television【B10】______the late 19th and early 20th century. Even the Volkswagen rear engine car was anticipated by a 1904 patent for a cart with the horse at the rear. [br] 【B9】
选项
答案
dates back
解析
dates back,意为“追溯到”。
转载请注明原文地址:https://tihaiku.com/zcyy/2956847.html
相关试题推荐
Twentyyearsagothisweek,theBritishinventorTimBerners-Leecreatedthe
Twentyyearsagothisweek,theBritishinventorTimBerners-Leecreatedthe
Twentyyearsagothisweek,theBritishinventorTimBerners-Leecreatedthe
Twentyyearsagothisweek,theBritishinventorTimBerners-Leecreatedthe
Twentyyearsagothisweek,theBritishinventorTimBerners-Leecreatedthe
Twentyyearsagothisweek,theBritishinventorTimBerners-Leecreatedthe
Twentyyearsagothisweek,theBritishinventorTimBerners-Leecreatedthe
Theymadeeveryefforttogettothebusstationasquicklyaspossible,______(
[originaltext]M:I’vebeentakingfourcourses,butIthinkI’lldroponeofth
[originaltext]M:I’vebeentakingfourcourses,butIthinkI’lldroponeofth
随机试题
Butthedepthofanovelandthevalueofitsartisticandideologicalfeatured
Concernwithmoney,andthenmoremoney,inordertobuytheconveniencesand
EconomicDeclineinEuropeDuringtheFourteenthCenturyP1:Someverynegative
UPS是()的英文简称。A.控制器 B.存储器 C.不间断电源 D.运
周围性面神经麻痹的症状是A.患侧面肌全瘫 B.患侧面下部表情肌瘫 C.患侧面
在向旅游者致欢迎词时,地陪的态度要热情,感情要真挚,内容要依情而异,语言要()。
A.隔滤作用 B.接触混凝作用 C.两者皆有 D.两者皆无饮用水的消毒原理
请简要回答信息技术学科教师应具备的学科教学能力。(10分)
下面几个关于样本均值分布的陈述中,正确的是() Ⅰ.当总体服从正态分布时
A.恒为常数,并与反应方程式的写法有关 B.由反应方程式的写法而定 C.随平
最新回复
(
0
)