"A European PNR directive is necessary to enhance the security of all people living in Europe," he said.
In any case, as mentioned earlier, when dealing with super-directive beams, it is necessary to carefully evaluate the impact of super-directivity on the output noise level and on the beam bandwidth, as well as the sensitivity of the beam response to perturbations of the weighing coefficients, since the above factors rapidly tend to deteriorate the beam performance [12, Sect. 9].
We owe it to the experts, stakeholders and citizens to give this directive the full debate necessary to achieve broad support".
Trump has said his directive, issued last month, was necessary to protect the United States from attacks by Islamist militants.
Selective disassembly is necessary to accomplish environmental directives and to increase their sustainability.
Neither a lawyer nor a doctor is necessary to execute a directive.
In this initial phase (TS10), it is often necessary to be somewhat directive, as at U9, and to ensure clarity, as with the reformulation offered in U12.
As project manager for a construction firm in Tehran, Mr. Aliabadi had worked with Mr. Ghodousi, and his familiarity with Mr. Ghodousi's aesthetic meant he felt it necessary to issue only one directive: the house had to have two bedrooms.
Having said that, it is necessary to stress that this directive deals with a complex and delicate situation requiring an urgent solution.
As these research directives are in their relative infancy, it is necessary to develop and validate a simulation software package that can be used to investigate the radiation-induced light transport in biological media.
