[tag=NN | tag=CC] [lemma=□]
[tag=NN | tag=CC] [lemma=have]
For this purpose , then , we must bear in mind that in the method of geometry introduced by Descartes , and which had been retained in astronomical and physical investigations up to the present time , the position of a point in space has been determined either by its distances from three co-ordinate planes , or by what in reality are their equivalents . Teleconferencing has removed the barriers that prevented people in remote locations from participating in conferences and symposiums and interacting with other participants . This is different from EJBs where each EJB has a separate java : comp / env context . Except where permission has been given for the thesis / submission and the oral examination to be in another language , the Senate will satisfy itself that the candidate has sufficient command of the English language to complete satisfactorily the programme of work and to prepare and defend a thesis in English . The province has been experiencing drought , food shortage , and poverty and faces many development issues .