Yet clare s love was doubtless ethereal to a fault , imaginative to impracticability . with these natures , corporeal presence is sometimes less appealing than corporeal absence ; the latter creating an ideal presence that conveniently drops the defects of the real 由于這些天性,有時候他愛的人在他的面前倒不如不在他的面前更令他感動不在他的面前,他可以創(chuàng)造出一個理想的人來,從而把真實的缺點消除了。
Early association with country solitudes had bred in him an unconquerable , and almost unreasonable , aversion to modern life , and shut him out from such success as he might have aspired to by following a mundane calling in the impracticability of the spiritual one 他的幼年生活同鄉(xiāng)村幽靜生活的聯(lián)系,使他對現(xiàn)代城市生活生出一種不可抑制的幾乎是非理性的厭惡來,因此也使他同另一種成功隔離開來,使他既不愿從事精神方面的工作,也不愿立志追求一種世俗的職業(yè)。
In the field of automatic control , the states feedback always is one of the most effective methods , however , the states are not available in the most practical systems , therefore the contradiction arises between the exclusiveness of the states feedback and it ' s impracticability 在自動控制領(lǐng)域中,狀態(tài)反饋往往是最為有效的控制策略之一,但是一個系統(tǒng)的狀態(tài)往往是不可直接測量的,狀態(tài)反饋在性能上的不可代替性和物理上的不可實現(xiàn)性構(gòu)成了一對尖銳的矛盾。
These workers found that there was uncertainty regarding appropriate action to combat biofilm formation and lime scale . many hospitals also found the examination of rinse water for endotoxin as recommended in htm 2030 to be impractical , due to the cost , impracticability of tests and difficulties in quantitative methods 這些工作者發(fā)現(xiàn),在如何對抗生物膜和氧化鈣上,各機構(gòu)采取的措施不一定靠得住。許多醫(yī)院也發(fā)現(xiàn),出于成本原因、測試的不可操作性和量化方法的困難性, htm 2030所推薦的漂洗用水內(nèi)毒素檢驗無法操作。
The doctrine of impracticability in the common law of contracts excuses performance of a duty, where that duty has become unfeasibly difficult or expensive for the party who was to perform.