In the situation of missing tracking data in the initial time interval for some tests,the inverse derivation method to estimate overall tracking trajectory by using modified telemetry data after deducting the guidance instrumentation systematic error was studied.
针对试验中出现的初始段跟踪数据缺失情形,研究利用修正制导工具误差后的遥测数据转至发射系下弥补外测跟踪数据的逆向递推方法,给出了实际实现方案。
Fathers always find reasons for their absence to mark their bold presence, which generates the daughters anxiety and anger.
虽然她小说中的父亲形象一而再、再而三地缺席,然而,父亲从未退场。
Of or relating to one that is absent.
缺席者的缺席者的与和缺席者有关的
The absent is never without fault, nor the present without excuse.
缺席者必有缺点，出席者必有藉口。
call of the House
国会内查明出席或缺席的点名
She gave no reason for her absence
她没有说缺席的理由。
The reason for hes absence is his illness.
他缺席的原因是病了
What caused his absence?
他缺席的原因是什么？
That is the real reason for the absence .
那就是缺席的实际原因。
His long absence gave some cause for worry.
他长期缺席使人担心。
non prosequitur
ph.1. 【律】原告缺席判决
She was absent because of a recent bereavement.
她因最近丧亲而缺席.
What percentage of children were absent?
缺席的学童占百分之几?
The cause that he is absent is not still clear.
他缺席的原因还不清楚。
What is your excuse for being absent?
你缺席的理由是什么呢？
That explains his absence.
那就是他缺席的原因.
He was disgruntled at their absence.
他对他们的缺席不满。
It's strange that he should be absent.
真奇怪,他竟会缺席。
The boy was absent because he was ill.
那个孩子因病缺席。
Sickness excuses his absense.
他是因病才缺席的。