帮忙把以下段落（240字）翻译成英文,谢谢,急,不要翻译软件！

Contemporary forefront of the development of science and technology, here is the main means of human survival and development are closely related. Contemporary people are concerned about, over the dire need to resolve the hot technology, focus and difficult issues collectively. Generally speaking, it has the following three features : development of frontier science and technology issues of the timing and space; forefront of scientific and technological development of the multiple and complex; forefront of scientific and technological development of a lasting and variability. From a philosophical perspective, the development of modern science and technology to solve the problem of frontier methodology should be established following principles : "The key lies in the" main principles; The "people-centered" principle of nature; "horizontal relations perspective," the general principles; "vertical relations perspective," the principles of sustain