1. Systems Engineering 01 Systems Engineering and Its Theoretical Basis, Yu Jingyuan, Beijing Institute of Information and Control, July 1989, pp.1-12. This article provides an overview of the architecture of system s...1. Systems Engineering 01 Systems Engineering and Its Theoretical Basis, Yu Jingyuan, Beijing Institute of Information and Control, July 1989, pp.1-12. This article provides an overview of the architecture of system science developed by Qian Xuesen, with a particular stress laid upon the methodology and theoretical basis of systems engineering. The latter refers mainly to the establishment of systematology. Presented here is an introduction to some conclusions on the object, content and method of systematology展开更多
Il presente articolo elenca le segnalazioni di specie ornitiche più interessanti della provin-cia di Brescia, relative agli anni 1986-1988 compresi, e 1989. Sono escluse da tale rapporto notizie riguar-danti le n...Il presente articolo elenca le segnalazioni di specie ornitiche più interessanti della provin-cia di Brescia, relative agli anni 1986-1988 compresi, e 1989. Sono escluse da tale rapporto notizie riguar-danti le nidificazioni, gli svernamenti già compresi nei rispettivi Atlanti 1984-85; 1987-88 e i dati giàpubblicati su riviste specialistiche. 1986-1989 ornithological report for the province of Brescia (Northern Italy). This paperdeals with the more interesting bird species observed between 1986 and 1989 in the province of Brescia.The article does not include the wintering and breeding species already reported from other journals.展开更多
文摘1. Systems Engineering 01 Systems Engineering and Its Theoretical Basis, Yu Jingyuan, Beijing Institute of Information and Control, July 1989, pp.1-12. This article provides an overview of the architecture of system science developed by Qian Xuesen, with a particular stress laid upon the methodology and theoretical basis of systems engineering. The latter refers mainly to the establishment of systematology. Presented here is an introduction to some conclusions on the object, content and method of systematology
文摘Il presente articolo elenca le segnalazioni di specie ornitiche più interessanti della provin-cia di Brescia, relative agli anni 1986-1988 compresi, e 1989. Sono escluse da tale rapporto notizie riguar-danti le nidificazioni, gli svernamenti già compresi nei rispettivi Atlanti 1984-85; 1987-88 e i dati giàpubblicati su riviste specialistiche. 1986-1989 ornithological report for the province of Brescia (Northern Italy). This paperdeals with the more interesting bird species observed between 1986 and 1989 in the province of Brescia.The article does not include the wintering and breeding species already reported from other journals.
